HYDRO MASTER
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HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
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HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
Protect your home efficiently with the HYDRO MASTER Safety Relief Valve, designed for easy installation and dependable pressure control.
HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)
Item #: 89520555

HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI)

Item #: 89520555

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Protect your home efficiently with the HYDRO MASTER Safety Relief Valve, designed for easy installation and dependable pressure control.
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What Stands Out

Robust Construction
Built with high-quality materials to withstand extreme temperatures and pressures, ensuring durability and long-term reliability in any hot water system.
Optimal Safety Mechanism
Designed to prevent excessive pressure buildup, this valve provides peace of mind by automatically releasing steam or water when pressure exceeds 30 PSI.
Universal Compatibility
With a standard 3/4 inch thread, this valve fits a wide range of applications, making it an ideal choice for various hot water systems and enhancing user convenience.

Product Details

Shop HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water (150 PSI) online at a best price in Tonga. B0CCJ7PL6B
Brand NameHYDRO MASTER
Model Number0571102
Number of Packs1
Unit Count1 Count
ManufacturerHYDRO MASTER
Number of Items1
Included ComponentsRelief Valve
Item Type NameRelief Valve
Item Weight7.2 ounces (204.12 grams)
Number of Pieces1
Manufacturer Part Number0571102
Specification MetCSA
Exterior FinishStainless Steel
Inlet Connection TypeNational Pipe Tapered
Outlet Connection TypeNPT Thread
Maximum Pressure150 psi
Number of Ports2
Thread Size3/4 inches
Thread TypeNPT
Valve TypePressure Relief Valve
Item Dimensions3.2 x 1.6 x 1.8 inches (8.1 x 4.1 x 4.6 cm)
Inlet Connection Size3/4 inches
Outlet Connection Size3/4 inches
Size1.6 x 3.2 x 1.8 inches
Material TypeBrass
MaterialBrass
BrandHYDRO MASTER
Item dimensions L x W x H3.2 x 1.6 x 1.8 inches (8.1 x 4.1 x 4.6 cm)
Maximum Operating Pressure150 psi

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners needing reliable hot water system safety with protection against pressure buildup in home systems.

  • Plumbers

    Professional plumbers will find this valve beneficial for ensuring safe installation and maintenance of hot water systems.

  • DIY Enthusiasts

    Great for DIY enthusiasts looking to enhance their home systems with a self-installable pressure relief valve.

Not Suitable For
  • Commercial Use

    Not suitable for commercial applications requiring higher pressure thresholds and robust safety measures.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the HYDRO MASTER Safety Relief Valve?

    Answer: The HYDRO MASTER Safety Relief Valve is designed to prevent excessive pressure build-up in hot water systems. It opens automatically when the pressure exceeds a set limit of 150 PSI, ensuring the safety of your plumbing system. This valve is crucial for protecting boilers, water heaters, and other equipment from overpressure situations, which could lead to system failures or dangerous leaks, making it ideal for both residential and commercial applications.
  • Question: What are the dimensions of the HYDRO MASTER Safety Relief Valve?

    Answer: The HYDRO MASTER Safety Relief Valve features a 3/4 inch threaded connection, which makes it compatible with standard plumbing fittings. This size provides an effective flow rate while also ensuring that it fits seamlessly into most water heating systems. Its compact design is perfect for installations where space is limited, allowing for straightforward integration into existing systems without the need for extensive modification.
  • Question: How does the ASME certification impact the safety of the valve?

    Answer: The ASME certification of the HYDRO MASTER Safety Relief Valve indicates that it meets strict guidelines for safety and performance as set by the American Society of Mechanical Engineers. This certification ensures that the valve is built to withstand extreme conditions and function reliably under high pressure. It is essential for compliance with safety standards in commercial and industrial applications, making it a trustworthy choice for professional installations.
  • Question: Can the HYDRO MASTER Safety Relief Valve be installed in any hot water system?

    Answer: Yes, the HYDRO MASTER Safety Relief Valve is versatile and can be installed in various hot water systems, including residential and industrial boilers, heaters, and tanks. Its 3/4 inch threaded connection allows compatibility with most systems, ensuring that it can be easily integrated into your existing plumbing without hassle. Proper installation will enhance the longevity and safety of your hot water system.
  • Question: What should I do if the valve is releasing water frequently?

    Answer: If the HYDRO MASTER Safety Relief Valve is releasing water frequently, it may indicate a problem with your water pressure or temperature settings. Check the pressure settings to ensure they are within the valve's specifications and inspect the system for any issues that may cause overheating. Continuous discharge means it’s performing its job to prevent high pressure, but it might also require adjustment or servicing to avoid unnecessary water loss.
  • Question: Is the valve suitable for high-temperature applications?

    Answer: Yes, the HYDRO MASTER Safety Relief Valve is specifically designed for high-temperature hot water applications. With a maximum pressure rating of 150 PSI, it is efficient for use in hot water heaters, boilers, and other systems where temperature and pressure control are crucial. This makes it an excellent choice for any environment that experiences high thermal loads, ensuring safety and performance.
  • Question: How often should the Safety Relief Valve be tested or inspected?

    Answer: It is recommended to regularly test or inspect your HYDRO MASTER Safety Relief Valve to ensure it operates correctly. Doing so annually is a best practice as it helps in identifying any wear or malfunction early on. Regular inspections will prolong the valve's lifespan and ensure the safety of your entire hot water system, making timely maintenance critical in high-stakes environments.
  • Question: What materials is the HYDRO MASTER Safety Relief Valve made from?

    Answer: The HYDRO MASTER Safety Relief Valve is constructed from durable materials designed to withstand high pressure and temperature conditions. Typically, it features a brass body, which offers excellent strength and resistance to corrosion. This ensures longevity and reliability in demanding applications, making it suitable for industrial uses as well as for residential hot water systems.
  • Question: Does the valve require any special maintenance?

    Answer: The HYDRO MASTER Safety Relief Valve does not require extensive maintenance; however, periodic inspection is essential. Regularly check the valve for any signs of corrosion or leaks, and operate the test lever occasionally to ensure that the valve can open freely. Proper maintenance helps verify that the valve remains reliable in preventing pressure build-up, thus protecting your system over time.
  • Question: Where can I buy HYDRO MASTER Safety Relief Valve With 34 Inch Thread 150 PSI ASME Hot Water 150 PSI?

    Answer: You can purchase the HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water 150 PSI at Ubuy in Tonga. Ubuy offers a wide selection of plumbing products, including this safety relief valve, ensuring that you find the right item for your needs with convenience and ease.

HYDRO MASTER Relief Valves 0571102 Editorial Review

HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 150 PSI ASME Hot Water is an essential component for ensuring safety in your plumbing system, especially when dealing with tankless water heaters. Many users appreciate its quality build, featuring brass and stainless steel materials that contribute to its reliability. It operates effectively under a maximum pressure of 150 PSI, preventing dangerous situations by relieving pressure. The included installation kit adds convenience for users, though some reports of leakage after several months of use suggest a need for regular monitoring. Overall, users find it easy to install and a valuable addition to their plumbing supplies.

Customer Reviews & Ratings

165 customers ratings
  • 5 Star
    79%
  • 4 Star
    7%
  • 3 Star
    2%
  • 2 Star
    2%
  • 1 Star
    10%

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Pros

  • Quality build with brass and stainless steel materials
  • Easy to install and fits well
  • Effective under maximum pressure of 150 PSI
  • Includes an installation kit for convenience
  • Suitable for tankless water heater setups

Cons

  • Some reports of minor leaks after a few months of use

Platform Trust & Buyer Confidence

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Features & Benefits

  • ASME rated to 150 psi and supports up to 500,000 btu/hr.
  • Universal 3/4 inch size fits most U.S. residential systems.
  • Features an integrated drain valve for easy maintenance.
  • All brass body and stainless steel spring ensure corrosion resistance.
  • Designed to remove excess pressure and protect against over-pressure conditions.
  • Fast and straightforward installation process.

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