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

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


List Price: $45.99
Price: $44.99 & FREE Shipping. Details
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Specifications for this item
Brand Name Watts
Color Name Brass
EAN 0094713602620 , 0094713602613 , 0098268018240 , 0098268435207 , 0098268018233
Material Type Other
Mfr Part # 3/4" 530-C
Number of Items 1
UNSPSC Code 40141606
UPC 094713602620 , 094713602613 , 098268018240 , 098268435207 , 098268018233

Watts 530C ½": Calibrated Pressure Relief Valve is a spring operated brass valves designed for us... Read full product description




Product Features

  • Calibrated adjustment feature for setting valve to relief pressure required
  • Adjustable range 50 to 175 psi (3.4 to 12.1 bar)
  • All brass construction
  • Inlet (bottom), male NPT threaded
  • Outlet (side), female NPT threaded

Product Details

  • Product Dimensions: 3.8 x 2.3 x 1.5 inches
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • ASIN: B000936L24
  • Item model number: 1/2" 530-C
  • Average Customer Review: 3.3 out of 5 stars  See all reviews (3 customer reviews)
  • Amazon Best Sellers Rank: #48,051 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
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Frequently Bought Together

Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve + Rain Bird P2A - Pressure Gauge
Price for both: $53.97

Buy the selected items together

Product Description

Watts 530C ½": Calibrated Pressure Relief Valve is a spring operated brass valves designed for use only as protection from the buildup of excessive pressure in systems containing water, oil or air. 530C ½" valve incorporate a calibrated adjustment feature for setting the valve to the relief pressure required. These valves are ideally suited for bypass thermal expansion relief. MFR Part # 530C 1/2 Item Model # LF530-C 1/2"

Customer Reviews

3.3 out of 5 stars
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Most Helpful Customer Reviews

2 of 2 people found the following review helpful By Knuckleballer on March 18, 2014
Verified Purchase
Extremely fast shipping.
Played with pressure adjustment. Markings may not line up exactly with actual pressure needed to open the valve but it's close enough. I can finally rest at ease because I was able to easily adjust it to the range I need.
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1 of 1 people found the following review helpful By rolfm on August 1, 2014
Verified Purchase
Contains lead. Apparently not allowed for plumbing applications in California.

Other than that, it's adjustable.
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1 of 4 people found the following review helpful By Sleinad KcaJ on December 9, 2012
Verified Purchase
Used to replace a 75lb pressure relief valve installed by Ryland Homes, on a county water line, that a county employee told me gets up to 100 PSI. Every other time I ran the Rainbird system, the old valve on the main from the street would open and not shut. If I was away the water ran out into the street. You would think a neighbor might come over and shut it off, it is outside on the house, or ring the bell. I got a $580.00 water bill one month. Tampa, Hillsborough County, FL. Moreover, the old valve would not close again, until you shut the main off and turned it back on.

This one I set at 105 PSI and it has not opened once. I think I might turn it lower, until it does open and see if it closes on its own, once excess pressure is released by it. I have not done that yet.
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