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Watts 374A Pressure Regulator

6 Reviews
  • Standard pressure setting at 30psi (206.9 kPa)
  • Pressure range in 5psi (34.5 kPa) increments from 30 to 150psi (2 to 10 BAR) with corresponding high ratings at 550,000 BTU/hr
  • Iron body provides strength and long life

$49.28

This water pressure safety relief valve is used for hot water heating and supply boilers. It provides pressure protection only. The rugged bronze body construction resists corrosive conditions of water supplies. The standard pressure relief setting is 30 PSI. This valve is a superior choice for both contractors and homeowners.
  • Standard pressure setting at 30psi (206.9 kPa)
  • Pressure range in 5psi (34.5 kPa) increments from 30 to 150psi (2 to 10 BAR) with corresponding high ratings at 550,000 BTU/hr
  • Iron body provides strength and long life
  • Easy to install
Weight 1.14 lbs
Dimensions 6 × 2 × 2.22 in

Latest reviews

  1. Joe the amateur plumber

    The old valve leaked after 15 years so I replaced it. The order, an exact replacement, came quickly, I replaced the old valve and the new one doesn’t leak, not even a drop. What’s not to like? I will order again in 15 years!

  2. DIY Hack

    This is a good replacement for the existing pressure relief valve in my boiler system. I have installed it and it appears to be working properly. It’s a good, solid feeling unit, and the threads went on the existing pipe with no problem. Overall, I am satisfied. The only shock was how pricey it was.

  3. Joe the amateur plumber

    The old valve leaked after 15 years so I replaced it. The order, an exact replacement, came quickly, I replaced the old valve and the new one doesn’t leak, not even a drop. What’s not to like? I will order again in 15 years!

  4. DIY Hack

    This is a good replacement for the existing pressure relief valve in my boiler system. I have installed it and it appears to be working properly. It’s a good, solid feeling unit, and the threads went on the existing pipe with no problem. Overall, I am satisfied. The only shock was how pricey it was.

  5. Joe the amateur plumber

    The old valve leaked after 15 years so I replaced it. The order, an exact replacement, came quickly, I replaced the old valve and the new one doesn’t leak, not even a drop. What’s not to like? I will order again in 15 years!

  6. DIY Hack

    This is a good replacement for the existing pressure relief valve in my boiler system. I have installed it and it appears to be working properly. It’s a good, solid feeling unit, and the threads went on the existing pipe with no problem. Overall, I am satisfied. The only shock was how pricey it was.

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