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Optimized Flow Control: The 4
optimizing durability in HVACR environments
successfully eliminating leaks and restoring the safety of the potable water supply by preventing backsiphonage and backpressure
How do I adjust the set point on the JD-2 model
70" WC negative pressure threshold
Watts 0121475 Valve Els PW 17895 Optimized Flow Control: The 4The Watts 0121475 (Model LF174A 3 4 100) is a high capacity pressure relief valve designed specifically for protection against excessive pressure in large hot water heating boilers and low pressure vessels. Featuring a Lead Free copper silicon alloy body, this 3 4 inch NPT threaded valve is engineered for durability and compliance with modern potable water safety standards. With a factory preset relief pressure of 100 PSI and a high BTU steam
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