Top 10 Best Tankless Water Heater Service Valve Kits [2022]

If you are fed up with a tank water heater and want an amazing change in your life or an instant hot shower without waiting. So the tankless water heater is a great option for those people who are very busy in their life and want everything ready within minutes. When you set up or buy a tankless water heater for residential or commercial use, some important components are necessary to installing and maintaining a water heater. Otherwise, the company provided every important component with a water heater but some components are not included with the heater which needs to be bought separately. The tankless water heater valves kit is made for maintaining cold water and pressure.

The valve kit is included in a set of two hot and cold water valves and one pressure relief valve which is easy to buy at a reasonable price by the market and simply installed with the tankless water heater. All the best tankless water heater service valve kits are made of high quality, heavy-duty, lead-free brass material which avoids leakage and is fully safe and secure for your indoor and outdoor use. We have collected the top 10 best tankless service valve kits which have higher quality, affordable prices, and excellent features. Now it depends on your needs and choosing which one to select according to your choice and needs. 


Top 10 Best Tankless Water Heater Service Valve Kits Of 2022

Detailed Features & Reviews

1. BrassCraft Tankless Water Heater Kit

Review: The BrassCraft Tankless water heater service valves kit is made of high-quality steel materials which are durable and work long-lasting. The gas connector 100% leak tested and recommended for indoor and outdoor, totally safe and secure. The BrassCraft tankless service valve features a captive nut and washer to discard the potential for component loss during installation. BrassCraft’s complete service kit is easy to connect with a tankless water heater, and available at a reasonable price.

2. iTANSO Isolator Service Valves

Review: The iTANSO Isolator service valve kit is made of lead-free heavy-duty Brass material. It has coloured valve handles for easy identification of hot and cold water valves. The Itanso valves kit is great for most U.S. indoor and outdoor usage and has a tankless water heater brand. Hot and cold sets of valves with hi-flow hose drain and pressure relief valve outlets, come with PTFE tape that helps to avoid leakage.

3. NIBCO Brass Ball Valves kit

Review: The Nibco brand provides higher quality and valuable products which work long-lasting and provide a warranty on defects in material. The Nibco brass ball valve kit is perfectly suitable with other branded tankless water heaters. The hot and cold water valves are easy to install and use. The Nibco valves are available in different sizes. Approved to NSF/ANSI 61-8 and comply with the lead requirements of AB 1953 and Annex G.

4. Rheem Webstone Heater Service

Review: The Rheem Webstone Heater Service Valves are easy to install and use with a tankless water heater. The hot and cold water service valves service by combining various valves and connections in an individual part. The Rheem valves have different handle designs and simply fits with all models of Rheem gas tankless water heaters. Rheem valves kit has high-quality clean brass material, avoiding leakage, works long-lasting, and available at reasonable prices.

5. HQMPC Tankless Heater Valves

Review: The HQMPC tankless water heater valves kit is made of high-quality lead-free brass material which is durable and avoids leakage. The two different (red & blue) colour valve handles help to identify the hot and cold water valves. The hot and cold water valve set also has pressure relief valves which are certified by the American CSA. The HQMPC service valves are easy to install and use, perfectly suitable with other brands.

6. Hydro Master Service Valves Kit

Review: The Hydro Master service valves kit is easy to install and suitable for residential usage. One-piece forged brass structure, improved integrated technique to decrease the risk of leaks. The integrated drain valve with brass protection cap provides simple maintenance, it also has full port ball valves for a nicer flow rate. The Hydro Master isolation kit consists of two hot and cold water valves with red and blue colour handles for easy identification.

7. Watts Service Valves kit

Review: The Watts Service Valves Kit is superior by design and has higher quality copper and lead-free material which works longer. The hot and cold water valve handles have different designs and blue, red colours for easy identification. The Watts service valves are simple in installation and use. The silver test lever enables the decrease of any pressure in the system. The Watts Service valve kits are available with or without a relief valve.

8. Hourleey Isolator Service Valves Kit

Review: The Hourleey brand provides great service and product replacement and full refund service. The Hourleey Isolator service valve components are certified lead-free brass, which meets with all federal and state standards regarding lead content in drinking water process components. The tankless water heater service valves 500 WOG, red and blue handle, valves to identify hot and cold valves. The Hourleey service valve kits are suitable for residential and commercial gas tankless water heaters.

9. Circrane Isolator Service Valves Kit

Review: The Circrane Isolator service valve kit is made of heavy-duty lead-free brass material which works long-time and prevents any leakage or dripping. The main isolation hot and cold valve set is factory tested to be leak-free so the tankless water heater can be protected periodically during each flushing sequence. The red and blue handles for easy identification and utilization. Integrated drain valve with brass safety cap for simple supervision.

10. Webstone Isolator Service kit

Review: The Webstone Isolator service kit has a unique design, with an easy two-step installation process. Webstone brands provide higher quality products and also provide replacement offers. The hot and cold set of full port forged brass ball valves have stainless steel wing handles that allow everyone to easily actuate the main ball. The service kit consists of a complete inlet/outlet valve system and a residential pressure relief valve also included for a tankless water heater.

Considerations For Buyers

Design

All service valve kits have the same design but some valves have different colours and stylish handles which make them different from others brands. Before buying a service kit check the size, material and brand for better performance 

Material

The high-quality differences (lead-free brass, stainless steel, copper) are used in valve manufacturing which is durable and works for a long time. The heavy-duty materials avoid leakage. 

Size

Some tankless water heater service valve kits have a standard size that is suitable for residential usage and commercial gas tankless water heater brands like Noritz, Rinnai, Rheem, Takagi, Navien etc.

Connect

The best tankless water heater service valve kit has two valves and one pressure relief valve. Using a wrench, tighten the pressure relief valves until the discharge on the pressure relief valve is placed beneath the isolation valves. 

Valves Handle

All service kits have different (red, blue) colours handles which helps for easy hot and cold water identification and the pressure relief valve has a silver test lever which helps to deduct any pressure in the system. 

Tankless Water Heater

The tankless water heater has a compact space-saving design suitable for small to medium houses, it provides instant hot water without waiting or sacrifices water pressure. The tankless water heater has a portable design that makes it easy to enjoy endless water inside and outside the home.

Hot Water Isolation Valve

Prevent touch with the hot water discharged during the test to avoid personal injury. The pressure relief valve (PRV) demands to be installed on the hot water valve.

Cold Water Isolation Valve

Drain valves should remain tight during the ordinary system. Do not depend on the drain cap to stop the water from draining. When draining, always remove drain caps slowly to ensure that no pressure exists.

Tank Water Heater

The tank water heater is huge in size, and has space for storing water in it, firstly the tank water stores water and then starts to change cold water into hot water. The tank water heater needs a separate place to store. The tank water heater is more suitable for commercial use. 

PTFE Type 

Some tankless water heater service valves kits have PTFE type which helps to avoid leakage and easy to fit valves. The PTFE type is easily available in the market at a cheaper price. 

Frequently Asked Questions [FAQs]

The BrassCraft Tankless Water Heater Kit is the best tankless water heater valve kit which is higher in rating, quality and has so many great features. The BrassCraft service kit is 100% leakage proof and approved for indoor and outdoor use. It has a unique design and blue, red-coloured handle for easy hot and cold water identification. These hot and cold valves are simple installation and use, and suitable with other residential or commercial tankless water heaters.

The tankless water heater has a different structure, features, and all components are also different from the tank water heater. Therefore the tankless water heater installation kit is only made for a tankless water heater which is easy to connect with a tankless water heater and provides great maintenance. The tank water heater service valves kit is different from the tankless water heater service valves kit.

The heavy-duty lead-free brass and stainless steel material are used in valves which are durable, rustproof and enhance the tankless heater life and leakage proof. Some valves kits have different colours of handles which helps to identify the hot and cold valves. Most service valve kits have a quality warranty if you have any quality issues the user can replace or repair within the warranty period.

The tankless water heater provides instant endless hot water without any waiting and storing water in it. The service valve kit is manufactured to maintain the water and gas pressure. The service valves are very important for a tankless water heater that is easy to install, operate, as well as maintenance of a tankless water heater. Some valves have different colours which easy to identify the hot and cold water 

When you buy a tankless water heater most water heaters are given service valves with a water heater and some have no service valves kit with a heater. All brands of water heaters manufactured all components separately if you want to buy separately that you can easily get within reasonable price from the market. Some sets of valves are costly and some are affordable but before buying the valve set check out the quality.

Bottom Line

The BS Reviews mission is to provide knowledge and benefits of all new gadgets and home appliances that people are using for their comfort. We have a great variety of different products which have higher quality, affordable price and excellent features. In this article, we have compiled the top 10 best tankless water heater service valve kits which are worthy and have excellent quality, features that you can easily maintain and operate your tankless water heater without wasting money and time on buying other low-quality products. 

We always picked those products which are available at reasonable costs that every low budgeted person can easily buy and use. We suggest you buy any branded tankless water heater and want to separately buy any other products (service valves kit, flushing kit, or small components). Firstly check out the same branded components which work effectively, long-lasting and specifically designed for tankless or tank water heaters. 


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