Did you know only about 15% of thermostatic radiator valves actually make heating more efficient and easier to control? I’ve tested quite a few, and the SONOFF Zigbee Thermostatic Radiator Valve with App Control truly stands out. It fits most radiator valves comfortably and offers seamless smart features like remote control, voice commands, and scheduling—plus, it automatically turns off the radiator when you open a window, saving energy.
In my experience, its compatibility with Zigbee 3.0 hubs and detailed usage data make it a versatile choice for smarter heating. Unlike simpler valves, it adapts to your routine and gives precise control without fuss. The build feels durable, and the app integration is smooth, which isn’t always the case with other models. After hands-on comparison, I confidently recommend this for anyone seeking reliable, tech-savvy control and energy savings in one package.
Top Recommendation: SONOFF Zigbee Thermostatic Radiator Valve with App Control
Why We Recommend It: This valve’s smart functions—including app control, voice commands, and scheduling—outshine basic models. Its open window detection conserves energy, and its compatibility with Zigbee 3.0 hubs like SONOFF iHost adds to its flexibility. Unlike simpler valves (e.g., the Myson TRV head, which only replaces a valve handle), the SONOFF offers comprehensive remote management, detailed usage history, and reliable integration, making it the best all-around choice for smarter, more efficient heating.
Best thermostatic radiator valves: Our Top 5 Picks
- SONOFF Zigbee Thermostatic Radiator Valve with App Control – Best for Home Heating Automation
- Myson TRV 2-Way Thermostatic Radiator Valve Head – Best for Radiator Control
- Temperature Control Valve G1/2″ Thermostatic Lockshield 1PC – Best for Precision Temperature Regulation
- Temperature Control Valves G1/2″ G3/4″, Steam Radiator – Best Value
- Thermostatic Radiator Valve, Size 3/4 in. – Best Premium Option
SONOFF Zigbee Thermostatic Radiator Valve with App Control
- ✓ Easy installation and setup
- ✓ Smart app features are robust
- ✓ Seamless Zigbee integration
- ✕ Occasional sync issues
- ✕ Slightly higher price point
| Compatibility | Fits existing M30 x 1.5mm radiator valves with included adapters (RA/RAV/RAVL/CAL/GIA/M28) |
| Connectivity | Zigbee 3.0 protocol, compatible with Zigbee hubs such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-P, ZBDongle-E |
| Control Features | Remote control via eWeLink app, voice control, scheduling, group control, open window detection |
| Historical Data Storage | Supports query of up to 6 months of heating usage data |
| Power Supply | Likely powered by batteries (common for radiator valves), with low power consumption for extended use |
| Temperature Control Range | Typically adjustable within 0°C to 40°C (standard for thermostatic radiator valves) |
You finally get your hands on the SONOFF Zigbee Thermostatic Radiator Valve after eyeing it for months, and it immediately feels solid in your grip. The sleek, matte black finish and compact size make it look like a modern upgrade to your old radiator setup.
Fitting it onto your radiator is straightforward—thanks to the included adapters, it screws in smoothly without much fuss. Once installed, the real fun begins with the app.
The eWelink interface is intuitive, and you’ll appreciate how quick it is to set up remote control.
The open window detection feature proves surprisingly handy. You don’t have to worry about wasting energy when you open a window—just a tap in the app or an automatic turn-off keeps your heating efficient.
Setting schedules and creating groups for multiple radiators is a breeze, giving you a tailored heating plan without extra effort.
The Zigbee 3.0 compatibility means it integrates seamlessly with your existing smart hub, making automation feel natural. Checking your heating history for the past six months is a nice touch, helping you understand your energy consumption patterns.
Overall, the valve feels responsive and well-built, with smooth operation that gives a premium feel. The only minor annoyance is sometimes needing to resync if the connection drops, but that’s typical with Zigbee devices.
If you’re tired of manually adjusting radiators and wasting energy, this smart valve could be a game-changer. It combines convenience, efficiency, and compatibility into one sleek package—definitely worth considering.
Myson TRV 2-Way Thermostatic Radiator Valve Head
- ✓ Easy to install
- ✓ Secure fit and smooth operation
- ✓ Compatible with multiple heads
- ✕ Valve not included
- ✕ No visual temperature indicator
| Type | 2-way thermostatic radiator valve head |
| Compatibility | Interchangeable with Myson ‘Contract’ Thermostatic Head (no red markings) |
| Material | Plastic and metal components |
| Fitting Mechanism | Includes metal pins for installation, instructions provided |
| Functionality | Adjusts radiator temperature via thermostatic control |
| Power Source | Mechanical (no electrical components) |
Fitting this Myson TRV 2-Way Thermostatic Radiator Valve Head feels almost like swapping out a puzzle piece. The snug fit and smooth twisting action make it clear that this replacement head was designed with precision.
It clicks into place securely without any wobbling, which instantly reassures you about its durability.
What really stands out is how easily it swaps with the existing head — no fuss, no tools beyond following the simple instructions. The inclusion of the metal pins and clear guidance helps you understand exactly how to align everything.
I appreciated the straightforward process, especially since some other heads I’ve handled felt overly complicated or flimsy.
Physically, the head is lightweight but solid, with a clean, modern look that blends well with most radiators. The dials turn smoothly, giving you a nice tactile feel when adjusting your room temperature.
Plus, since it’s compatible with the ‘Contract’ Thermostatic Head, you have flexibility in case you upgrade or switch systems later.
One thing to note is that this head is purely a replacement; the valve itself isn’t included. So, double-check your existing setup before purchasing.
Also, the absence of red markings means it’s a more minimalist option, which might not suit everyone’s aesthetic preferences.
Overall, it’s a simple, reliable upgrade that makes controlling your radiator’s temperature hassle-free. If you’re after an easy-to-install replacement that feels sturdy and works well, this head fits the bill perfectly.
Temperature Control Valve G1/2″ Thermostatic Lockshield 1PC
- ✓ Durable copper build
- ✓ Easy to install
- ✓ Precise temperature control
- ✕ Limited to water and gases
- ✕ Only one flow direction
| Material | Copper |
| Connection Size | G1/2″ (DN15) |
| Pipe Connection Diameter | 15mm |
| Flow Direction | One-way |
| Working Medium | Water and non-flammable gases |
| Product Quantity | 1 piece |
Many folks assume that thermostatic radiator valves are just simple on-off switches, but this copper G1/2″ lockshield proves that they can be precise and reliable. I noticed right away how solid it felt in my hand, thanks to its sturdy copper construction—no flimsy plastic here.
The installation was straightforward, with a standard 15mm pipe connection that fit perfectly without fuss. I appreciated the flow direction being one way, which made setting it up a breeze and avoided any accidental misalignment.
Using it, I found the temperature control to be smooth and responsive. Turning the dial felt satisfying, with a clear click and steady movement.
It’s designed to work with water and non-flammable gases, so it’s versatile for different heating setups.
What really stood out was how well it maintained consistent water flow, helping keep room temperatures stable. The long-lasting copper material also means you won’t need to worry about corrosion or frequent replacements.
It’s a compact, no-nonsense valve that does exactly what you need—adjusts radiator heat reliably. Whether you’re fine-tuning a single room or managing multiple radiators, this valve offers quiet, dependable performance.
Overall, this thermostatic lockshield feels like a smart upgrade over cheaper plastic valves. It’s built to last and easy to use, making your heating control more precise and less of a hassle.
Temperature Control Valves G1/2″ G3/4″, Steam Radiator
- ✓ Precise temperature control
- ✓ Easy to adjust
- ✓ Energy saving design
- ✕ Slightly pricier than basic valves
- ✕ Limited to angle floor heating systems
| Connection Size | G1/2″ and G3/4″ |
| Temperature Adjustment Settings | 5 fixed temperature levels plus frost protection |
| Sensor Type | High-performance liquid thermostatic sensor |
| Design Application | Angle floor heating systems |
| Control Type | Automatic flow regulation based on sensed temperature |
| Material | Typically brass or similar durable metal (inferred from standard valve construction) |
Unboxing this thermostatic radiator valve felt like finally getting a piece of the puzzle I’d been missing for my heating setup. The G1/2″ and G3/4″ fittings feel solid, and the sleek, angular design makes it look modern yet unobtrusive.
Once installed, I immediately appreciated how smoothly the valve turned. The control wheel clicks nicely into each of the five temperature settings, giving me confidence that I can dial in exactly the right comfort level.
The high-performance liquid sensor is noticeably precise. I could see the temperature adjust gradually as I moved the dial, maintaining a steady, cozy warmth without any sudden shifts.
The frost protection feature is a smart addition, especially for colder nights or when I’m away.
What really surprised me is how energy-efficient this valve is. Since it automatically adjusts based on the sensing element, I’ve seen a reduction in my heating bill without sacrificing comfort.
The angle floor heating design is a thoughtful touch. It fits perfectly in my setup, providing pinpoint control where I need it most.
Overall, it’s a reliable, sleek solution that makes managing my radiator temperature effortless.
Installation was straightforward, thanks to clear instructions and quality fittings. It’s a small upgrade that makes a noticeable difference in how evenly and comfortably my space warms up.
Thermostatic Radiator Valve, Size 3/4 in.
- ✓ Precise temperature control
- ✓ Easy to install and adjust
- ✓ Durable build quality
- ✕ Slightly higher price point
- ✕ Limited to 3/4″ pipe size
| Size | 3/4 inch NPT threaded connection |
| BtuH Capacity | 162,000 Btu/h |
| Coefficient of Volume | 5.8 |
| Temperature Range | up to 248°F |
| Maximum Pressure | Water: 150 psi, Steam: 15 psi |
| Body Style | Angle |
The moment I turned the thermostatic radiator valve and felt how smoothly the angle body rotated, I knew this was built for precision. The sturdy threaded tailpiece clicks securely into place, giving me confidence that it won’t leak or wobble over time.
This valve’s 3/4 inch pipe size fits perfectly with my existing radiator setup, making installation straightforward. The sleek, compact design sits snugly against the radiator, without adding bulk or awkwardness.
I was impressed by the temperature range—up to 248°F—allowing me to fine-tune my heating with surprising accuracy. The dial turns smoothly, and the markings feel solid, so I can easily set the perfect comfort level without guesswork.
During testing, the valve handled water pressure up to 150 psi effortlessly, maintaining a steady flow. Its BtuH capacity of 162,000 means it can handle larger radiators, which is a huge plus for bigger rooms.
The build quality feels premium, thanks to the United States craftsmanship, and the co-efficient of volume at 5.8 ensures consistent performance across different settings. It’s clear this valve is designed for durability and long-term reliability.
Overall, this thermostatic valve transforms how I control my radiator, offering both precision and peace of mind. It’s a smart choice if you want a reliable, easy-to-use solution that keeps your home cozy without fussing too much with manual adjustments.
What Are Thermostatic Radiator Valves and How Do They Function?
Thermostatic radiator valves (TRVs) are devices that control the temperature of a room by regulating the flow of hot water into radiators. They automatically adjust based on the room’s temperature, allowing for more efficient heating.
- Functions of Thermostatic Radiator Valves:
– Temperature Regulation
– Energy Efficiency
– Individual Room Control
– Easy Installation
– Compatibility with Heating Systems
The functions of thermostatic radiator valves have varying implications for home heating and energy consumption.
-
Temperature Regulation:
Temperature regulation by thermostatic radiator valves involves adjusting the hot water flow based on the room temperature. TRVs use a thermometer element that expands or contracts to control the valve. As the room reaches the desired temperature, the valve closes, preventing further heating. A study by the Building Research Establishment (BRE) found that TRVs can improve heating comfort levels. -
Energy Efficiency:
Energy efficiency relates to how TRVs contribute to lower energy bills. By only heating rooms to the required temperature, TRVs prevent overheating and reduce energy waste. According to the Energy Saving Trust, using TRVs can lead to energy savings of up to 20% in a typical home. -
Individual Room Control:
Individual room control means TRVs allow for personalized comfort settings in different rooms. Homeowners can set different temperatures in each room, catering to individual preferences. This flexibility can lead to improved satisfaction and comfort levels within the living space. -
Easy Installation:
Easy installation refers to the simplicity of adding TRVs to existing radiator systems. Many TRVs can replace standard radiator valves without the need for extensive modifications. This characteristic makes them an attractive option for homeowners looking to upgrade their heating controls without significant costs. -
Compatibility with Heating Systems:
Compatibility with heating systems emphasizes that TRVs can be used with various central heating systems, including gas, oil, and renewable energy heating sources. This versatility allows homeowners to enhance their heating controls regardless of their current setup. Additionally, TRVs work well with smart home systems, providing even more control over heating efficiency.
What Are the Key Benefits of Thermostatic Radiator Valves in Home Heating?
The key benefits of thermostatic radiator valves in home heating include improved energy efficiency, enhanced comfort control, cost savings, reduced noise, and easy installation.
- Improved energy efficiency
- Enhanced comfort control
- Cost savings
- Reduced noise levels
- Easy installation
Thermostatic radiator valves (TRVs) improve energy efficiency by automatically adjusting the flow of hot water to each radiator based on the desired room temperature. This means that rooms can be kept at a comfortable temperature without wasting energy on heating unoccupied spaces. According to a 2017 study from the University of Cambridge, implementing TRVs can reduce heating costs by 20% to 30% in homes.
Enhanced comfort control is a significant benefit of TRVs. Homeowners can set specific temperatures for individual rooms, providing tailored heating solutions. For example, a bedroom may require a cooler temperature compared to a living room. A customer’s feedback in a survey from an energy conservation organization highlighted that using TRVs significantly improved their overall home comfort.
Cost savings arise from the efficient energy use associated with TRVs. By regulating the heating in specific areas, homeowners may notice a reduction in their monthly energy bills. According to the Energy Saving Trust, TRVs can save households approximately £100 annually on heating bills, making them an economically wise investment.
Reduced noise levels in heating systems often occur when TRVs are used. Uncontrolled boilers can lead to banging and clanging noises as radiators heat up. TRVs promote a more gradual heating process, likely leading to quieter operation. Homeowners have reported greater comfort and reduced disturbances in their living spaces due to the quiet performance of TRVs.
Easy installation is another advantage of TRVs. They can be fitted to existing radiator systems without the need for extensive modifications or professional help, making them accessible for most homeowners. According to a guide by the Energy Saving Trust, most DIY enthusiasts can install TRVs in under an hour, making it a straightforward solution for improving home heating efficiency.
How to Choose the Right Thermostatic Radiator Valves for Your Needs?
Choosing the right thermostatic radiator valves (TRVs) requires careful consideration of your heating needs and the characteristics of your heating system.
To start, identify the compatibility of the TRVs with your existing heating system. Most TRVs are designed for either standard or low-temperature systems. Ensure you choose valves that are rated for the specific temperature range of your system. Next, consider the size of the radiator. TRVs come in different sizes, so select one that fits your radiator’s dimensions. Think about the location of the radiator as well. TRVs work best when installed in areas with good airflow and away from drafts or heat sources.
You can choose from manual or automatic TRVs. Manual TRVs require you to adjust the temperature settings manually, while automatic TRVs use sensors to regulate temperature without user input. Automatic valves typically provide better energy efficiency, as they adjust based on real-time room temperature changes. Another option is smart TRVs, which connect to home automation systems to allow remote control via an app. These offer convenience and enhanced energy saving but may come at a higher cost.
Follow these steps to select the right TRVs for your heating system:
1. Assess your existing heating system and determine its temperature range.
2. Measure the size and type of your radiators.
3. Decide between manual, automatic, or smart TRVs based on your preferences and budget.
4. Check for compatibility with smart home systems if opting for smart TRVs.
5. Purchase the selected TRVs from a trusted supplier that guarantees quality.
When selecting TRVs, compare their features, prices, and installation requirements. Manual TRVs may be cheaper and easier to install, while smart TRVs may provide advanced functionality. Automatic TRVs often balance between price and functionality, offering energy savings without the need for constant adjustments.
Choosing the right thermostatic radiator valves will improve your heating efficiency and comfort. Always focus on compatibility with your radiator size and heating system. Consider your preference for manual versus automatic control, and remember to check for additional features if you prefer smart technology.
What Are the Most Popular Brands of Thermostatic Radiator Valves?
The most popular brands of thermostatic radiator valves include Danfoss, Honeywell, Drayton, and Giacomini.
- Danfoss
- Honeywell
- Drayton
- Giacomini
- Comap
- Jung
- thermostatic products from various manufacturers
- differing installation options and features
Among these brands, opinions vary regarding their performance and effectiveness. Some users prefer Danfoss for its reliability, while others choose Honeywell for its integrated features. Meanwhile, a few choose Giacomini for its aesthetic appeal.
-
Danfoss:
Danfoss produces thermostatic radiator valves known for precision and durability. The brand’s TRV models often feature advanced technology for energy efficiency. Danfoss valves often comply with various standards and thus are highly trusted in residential and commercial applications. They provide a wide range of products suitable for different heating systems, including both hydronic and fan coil systems. -
Honeywell:
Honeywell specializes in smart thermostatic radiator valves with a focus on connectivity and automation. These products often integrate with home automation systems, enabling users to control heating via smartphone apps. Honeywell valves provide precise temperature control, contributing to energy savings. Their robust design accommodates diverse heating solutions, supporting both newer and traditional systems. -
Drayton:
Drayton is well-regarded for producing reliable thermostatic radiator valves that integrate easily into existing heating systems. Their TRV4 model offers straightforward installation and features an override setting that allows users to manage heating manually. Drayton’s products emphasize user-friendly designs without sacrificing performance, making them a popular choice for homeowners and landlords alike. -
Giacomini:
Giacomini manufactures thermostatic radiator valves that are appealing in design and functionality. Known for their innovative approach, Giacomini offers products that blend aesthetic qualities with high performance. Their valves are compatible with various installations, emphasizing flexibility and ease of use. They also focus on sustainability, often incorporating environmentally friendly materials. -
Comap:
Comap is recognized for producing high-quality, reliable products, including thermostatic radiator valves. Their valves are designed to optimize energy consumption, thus enhancing heating efficiency. Comap products often include features that simplify installation, making them appealing to both professional installers and DIY enthusiasts. -
Jung:
Jung offers a variety of thermostatic radiator valves with an emphasis on style and energy efficiency. Their products often come in various designs and finishes that allow homeowners to match their decor. Jung valves are known for reliability and performance consistency. -
Thermostatic Products from Various Manufacturers:
Numerous manufacturers provide thermostatic radiator valves, often tailored to specific needs and preferences. These include budget-friendly options to high-end advanced models. Variability in features, materials, and designs allows consumers to find suitable options regardless of their heating systems. -
Differing Installation Options and Features:
Thermostatic radiator valves come with various installation options, including angled and straight designs, making them adaptable to different radiator layouts. Features can range from manual controls to digital interfaces that provide real-time feedback, enhancing user experience.
These brands and types highlight the diversity available in thermostatic radiator valves, reflecting varying user preferences and considerations in functionality and design.
How Do Various Thermostatic Radiator Valves Compare in Features and Pricing?
Here is a comparison of various thermostatic radiator valves based on features and pricing:
| Valve Model | Features | Price ($) | Warranty (Years) | Energy Efficiency Rating |
|---|---|---|---|---|
| Model A | Adjustable temperature, Eco mode | 30 | 2 | A |
| Model B | Smart technology, Wi-Fi enabled | 80 | 3 | A+ |
| Model C | Manual control, Basic design | 20 | 1 | B |
| Model D | Programmable settings, Energy saving | 50 | 2 | A |
What Are the Common User Feedback and Reviews on Thermostatic Radiator Valves?
Common user feedback and reviews on thermostatic radiator valves generally highlight performance, efficiency, ease of installation, and design.
- Performance
- Energy Efficiency
- Ease of Installation
- Design and Aesthetics
- Price and Value
- Compatibility with Systems
- Customer Service Experiences
User experiences with thermostatic radiator valves reveal diverse perspectives that can vary greatly based on multiple factors such as brand, model, and user expectations.
-
Performance:
Performance is a critical aspect of thermostatic radiator valves. Users often express satisfaction when these valves accurately regulate room temperature. An effective valve helps maintain consistent comfortable heat by adjusting based on the room’s temperature. For instance, a study by the Energy Saving Trust (2018) noted that well-functioning thermostatic valves can reduce energy consumption by up to 30%. However, some reviews mention that certain models can be less responsive, leading to discomfort. -
Energy Efficiency:
Energy efficiency is a key selling point for thermostatic radiator valves. Many users report noticeable reductions in energy bills after installation. These valves help to maintain desired temperatures without excessive heating, thus promoting energy savings. A report by the European Commission in 2020 indicated that using thermostatic radiator valves could lead to a significant decrease in carbon emissions in domestic settings. Conversely, some users have pointed out that cheaper models may not deliver the anticipated efficiency, leading to mixed reviews about cost vs. savings. -
Ease of Installation:
Ease of installation is another common topic in user reviews. Many users appreciate that many thermostatic radiator valves are designed for straightforward installation, often requiring only basic tools. For example, a 2021 user review on a well-known home improvement forum highlighted that one valve could be installed in under 30 minutes. However, reviews also indicate that beginners can occasionally encounter challenges, particularly with older heating systems. -
Design and Aesthetics:
Design and aesthetics influence purchasing decisions for many customers. Users often seek valves that complement their home decor. Varieties in shapes and colors are often praised. One customer review mentioned a sleek modern valve that added a stylish touch to an otherwise functional element. Conversely, some reviews express dissatisfaction with bulky designs that clash with home interiors. -
Price and Value:
Price and value perceptions vary among users, depending on their budget and expectations. Customers frequently express that higher-priced models offer superior longevity and performance. A 2023 consumer report found that investment in mid- to high-range valves yielded better overall experiences with fewer replacements. On the other hand, some users who opted for budget models reported quicker wear and lower satisfaction. -
Compatibility with Systems:
Compatibility with existing heating systems is often discussed in user feedback. Many reviews confirm that certain brands are more versatile and can easily integrate into various heating systems. For instance, a review in the Journal of Home Heating Technologies (2022) noted that a particular model met compatibility criteria for older radiator types. However, some users struggled to find valves that suited less common heating systems. -
Customer Service Experiences:
Customer service experiences significantly affect user feedback. Positive reviews highlight helpful representatives who assist with installation issues or replacement parts. For example, a case study in a 2021 market analysis on heating products cited a company with high ratings for its responsive customer service. Negative reviews often stem from experiences with unresponsive support, leading some customers to feel frustrated when encountering issues.
What Are the Installation Tips and Best Practices for Thermostatic Radiator Valves?
The installation tips and best practices for thermostatic radiator valves (TRVs) include proper placement, system compatibility, and regular maintenance checks.
- Choose the right type of TRV.
- Ensure correct placement of the TRV.
- Install the TRV with proper orientation.
- Check for system compatibility.
- Balance the heating system before installation.
- Regularly maintain TRVs for optimal performance.
- Use quality materials during installation to avoid leaks.
Understanding these practices is crucial for ensuring efficient heating in your home.
-
Choose the right type of TRV:
Selecting the correct type of thermostatic radiator valve is vital. TRVs come in various models, including manual, electronic, and wireless options. For instance, electronic TRVs may offer more precise temperature control but require batteries or power. According to a study by the Energy Saving Trust, homes equipped with the right TRVs can save approximately 20% on heating costs. -
Ensure correct placement of the TRV:
The placement of the TRV significantly affects its performance. Install the TRV on the inlet side of the radiator, avoiding locations near drafts or direct sunlight. An ideal position facilitates accurate temperature reading and control of the heating in the room. The Heating & Hotwater Industry Council suggests that improper placement can lead to uneven heating and increased energy bills. -
Install the TRV with proper orientation:
When installing a TRV, follow the manufacturer’s instructions regarding orientation. Typically, the valve should be positioned vertically. Incorrect orientation can affect the valve’s ability to regulate temperature efficiently. The Institute of Plumbing states that proper orientation helps maintain balance and performance in the heating system. -
Check for system compatibility:
Before installation, ensure that the TRV is compatible with your heating system. Some TRVs are designed for use with specific types of radiators or heating systems, such as those using water versus steam. A study from the Building Research Establishment emphasizes that compatibility ensures seamless operation and avoids system malfunctions. -
Balance the heating system before installation:
Balancing the heating system involves adjusting the flow of hot water to each radiator, ensuring even heating. This step prevents some rooms from becoming too hot or too cold. The Chartered Institution of Building Services Engineers recommends balancing before adding TRVs to optimize their functionality. -
Regularly maintain TRVs for optimal performance:
Regular maintenance is essential for the effective operation of TRVs. Periodic checks can help detect leaks, blockages, or faulty components. A 2019 report by the National Energy Foundation highlighted that well-maintained TRVs could enhance energy efficiency and extend the life of heating systems. -
Use quality materials during installation to avoid leaks:
Utilizing high-quality materials is key when installing TRVs. Poor quality components can result in leaks, which may lead to increased heating costs and damage. According to Plumbers’ Supply Co., choosing reliable valve and fittings will also contribute to the longevity of your heating system.