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Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve

4.5 out of 5 stars 41 ratings

$110.29
New (7) from $110.29 & FREE Shipping

Enhance your purchase

Material Brass
Brand Watts
Item dimensions L x W x H 9.7 x 5.8 x 3.8 centimeters
Exterior finish Brass
Inlet connection type National Pipe Tapered
Outlet connection type FNPT
Outlet connection size 0.5 inches

About this item

  • Guards against excessive pressure in water, oil or air systems used in commercial, residential or industrial applications, including fire protection systems
  • All-brass construction features an NPT threaded male inlet and NPT threaded female (drain) outlet connections; a stainless-steel spring; a brass bonnet; a Buna-N disc and a Buna-N O-ring
  • Calibrated adjustment feature sets valve to the required relief pressure
  • Maximumpressure is 300 psi (20.67 bar); adjustable range is 50 to 175 psi (3.45 to 12.06 bar)
  • Size is 3.8 x 2.3 x 1.5 inches
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Frequently bought together

  • Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve
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Product description

ChooseWatts 530C ½"Calibrated Pressure Relief Valve when your project calls for bypass thermal expansion relief. Spring operated; resets after quietly releasing pressure. Maximum working temperature is 180 degrees F. From the manufacturer: MFR Part # 530C 1/2 Item Model # 530-C 1/2". Calculations show pressure-reducing valves can save as much as 30% on domestic water heating costs, prevent water waste and perhaps even lower municipal sewer usage fees.


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4.5 out of 5 stars
4.5 out of 5
41 global ratings

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There are 0 reviews and 0 ratings from Canada

Top reviews from other countries

Jacob Moseley Sr.
5.0 out of 5 stars The Best!
Reviewed in the United States on September 21, 2020
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One person found this helpful
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Alicia
5.0 out of 5 stars 3/4” vs 1/2” residential use
Reviewed in the United States on December 6, 2021
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5.0 out of 5 stars 3/4” vs 1/2” residential use
Reviewed in the United States on December 6, 2021
This is the exact product described, however the 3rd and 4th picture show the 1/2” which is what this product is. 1st and 2nd picture depict the 3/4” part. If you plan on using this for residential use, grab the 3/4” relief valve instead.
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Morgan
5.0 out of 5 stars It works
Reviewed in the United States on November 19, 2018
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3 people found this helpful
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Red Hewitt
5.0 out of 5 stars Wish these were cheaper.
Reviewed in the United States on November 18, 2020
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Elvis
5.0 out of 5 stars Saved some parts and labor replacing it myself.
Reviewed in the United States on December 17, 2017
Verified Purchase