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VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
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VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters
VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters

VEVOR Water Heater Kit, 3/4 Inch Tankless Water Heater Service Valve Kit with 2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves, Pressure Relief Valve, Lead-Free Brass, Fits Most Tankless Waters Heaters

4.2 39 Reviews
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Features & Details

  • All-in-One Installation Kit: Our tankless water heater isolation service valve includes hot and cold water isolation valves, a relief valve, and thread seal tape—everything you need for a complete, hassle-free installation
  • Premium Lead-Free Brass & SUS304: Made from durable lead-free brass and SUS304 stainless steel, the tankless water heater valve kit provides high strength, corrosion resistance, and long-lasting leak protection, ensuring a stable water heating system
  • Easy Installation & High Compatibility: Our tankless water heater installation kit utilizes standard 3/4-inch connections, fitting most tankless water heaters. Coming with thread seal tape for quick DIY installation with a secure, leak-free finish
  • Multi-Scenario Application: Ideal for bathrooms, boiler rooms, and kitchens, our tankless water heater service valve kit is suitable for both home and commercial gas tankless water heater installations
  • Versatile & Low-Maintenance: This water heater installation kit fits multiple applications and is easy to maintain. Simple to operate without extra tools, it keeps your piping system clean and stable for long-lasting performance

Product specification

  • Item Model Number HPSF03A
  • Main Material Lead-Free Brass
  • Inlet & Outlet Connection Sizes 3/4″ NPT x 3/4″ NPT
  • Pressure Relief Valve 3/4″ NPT x 3/4″ NPT
  • Working Pressure (Isolation Valve) 500 WOG
  • Pressure Relief Valve Rating 150 PSI/205 kBTU

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Reviews 4.2
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Average rating based on 39 reviews

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About this item

Product specification
Item Model Number
HPSF03A
Main Material
Lead-Free Brass
Inlet & Outlet Connection Sizes
3/4″ NPT x 3/4″ NPT
Pressure Relief Valve
3/4″ NPT x 3/4″ NPT
Working Pressure (Isolation Valve)
500 WOG
Pressure Relief Valve Rating
150 PSI/205 kBTU
Net Weight
2.93 lbs/1.33 kg
Description
All-in-One Tankless Water Heater Installation Kit
All essential components in one kit, our tankless water heater isolation service valve includes hot and cold isolation valves, a pressure relief valve, and thread seal tape. Built with lead-free brass and SUS304 stainless steel for leak-free, long-lasting performance.
The tankless water heater valve kit is crafted from corrosion-resistant, lead-free brass to ensure clean water flow, reduce leakage risks, and extend the lifespan of your water heating system.
Our tankless water heater installation kit is suitable for diverse scenarios, supporting normal maintenance, flushing, and cleaning.
Designed with standard 3/4 in connections, this tankless water heater service valve kit is compatible with most tankless water heaters, making installation faster and simpler without additional modifications.
Whether for bathrooms, boiler rooms, kitchens, or saunas, this all-in-one water heater installation kit ensures reliable performance wherever hot water is needed.

Lead Free Brass Valve Body for Corrosion Resistance and Long Term Leak Prevention

The brass valve body in this valve kit is strong and does not contain any lead. This substance does not rust even when it is constantly wet or when the temperature changes. The solid brass construction makes it less likely to bend, break, or wear out quickly.


This construction is corrosion resistant, helping the system operate reliably and preventing leaks over time. The smooth interior surface not only keeps minerals from building up, but it also helps keep water flowing continuously.


SUS304 Stainless Steel Components for High Strength and Stable Water Flow Performance

This tankless water heater service valve set includes SUS304 stainless steel components that enhance the system's overall robustness and longevity. High demand plumbing applications can benefit from stainless steel's exceptional resistance to rust and mechanical stress. This design contributes to reliable operation even when water pressure varies.


By preserving accurate valve control and minimizing internal wear, these parts promote steady water flow. SUS304 stainless steel's robustness ensures continuous performance over time, extending the system's lifespan. Users can rely on the system to meet their daily water-heating needs thanks to its design.


Integrated Pressure Relief Valve in Tankless Water Heater Service Valve Kit Systems

An incorporated pressure relief valve protects the system from high internal pressure in this valve kit. To protect linked plumbing lines and water heater components from damage, the valve automatically releases pressure when pressure levels exceed safe limits. This feature increases long-term dependability and system safety.


Controlled pressure levels make the system run more smoothly and effectively. To ensure consistent performance during high demand use, the pressure relief function reduces strain on internal components. Professional installers and homeowners can feel confident that this design prioritizes safety.


2PCS 3/4″ NPT to 3/4″ NPT Isolation Valves for Independent Water Line Control

To provide independent control of the hot and cold water lines, the system includes two 3/4-inch NPT-to-3/4-inch NPT isolation valves. Because of this architecture, users can turn off specific parts of the system without affecting the water supply as a whole. It makes system testing, maintenance, and repairs easier.


This level of control lowers downtime during servicing and increases efficiency. While maintaining the functionality of other plumbing lines, installers can swiftly reach the water heater system. These isolation valves enhance the adaptability and performance of the tankless water heater service valve kit.


Thread Seal Tape Included for Secure, Leak-Free DIY Installation Finish

To facilitate secure, leak-free connections during installation, this tankless water heater service valve kit includes thread seal tape. By filling the tiny spaces between threaded connections, the tape strengthens the seal and reduces the risk of water leaks. Both professional and do-it-yourself users can benefit from this functionality.


Without the need for additional equipment or supplies, the included thread seal tape helps ensure a neat, secure finish. It promotes long-term system stability and maintains constant water pressure across the plumbing network by enhancing joint reliability.


Multi-Scenario Application Design for Home and Commercial Tankless Water Heater Service Valve Kit Systems

Bathrooms, kitchens, and boiler rooms are just a few of the installation settings where this service valve kit for tankless water heaters works well. Both household and commercial gas tankless water heater systems are compatible with its adaptable design. Standardized connections and robust materials enable flexible installation in various configurations.


The kit is ideal for new installations and system upgrades, thanks to its versatility. The system ensures steady water flow and dependable performance, whether it is employed in a modest home or a light commercial location. The design guarantees consistent outcomes in a variety of application scenarios.


3/4 Inch NPT Connection System for Wide Compatibility with Most Tankless Water Heaters

The tankless water heater service valve kit has a standard 3/4 in. NPT connection so it can work with most gas tankless water heater systems. This connection size lets you easily connect to your existing plumbing lines without the need for complicated adapters or special fittings. When the system is running normally, the threaded design provides a tight seal, keeping water flowing and the system working correctly.


Installers and homeowners can complete replacements or renovations more quickly with this standardized method. The 3/4-inch NPT system helps keep the water pressure steady and the system under control, whether you are connecting it to a new bathroom or replacing old valves in a utility room. The service valve kit ensures the process runs smoothly and reliably over time.


All in One Installation Kit with Hot and Cold Isolation Valves for Complete Plumbing Setup

This valve kit comes with a pressure relief valve, hot and cold isolation valves, and thread seal tape, all in one package. The all in one design means users don't have to worry about part compatibility when installing. They work together to create a reliable, well organized plumbing layout.


By consolidating all the necessary parts into a single kit, this configuration speeds up installations for both professionals and DIYers. The hot and cold isolation valves make regular maintenance easier by allowing specific sections of the system to be isolated. This all-encompassing setup makes the water heating system more reliable overall and makes it easier to use.


Product guides and documents
User manual-en (PDF) Review

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