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Epoxy coated cast iron body
adjusting screw
6 IN NB Strainer
Durafill seats
Watts LF53L-75 1/2 - Part of the LF53L Series ZC100F-3NH Epoxy coated cast iron bodyThis 1 2 inch lead free pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. It consists of a lead free copper silicon alloy body construction with NPT threaded male inlet and NPT threaded female (drain) outlet, test lever, and stainless steel spring. It is ANSI Z21. 22 approved, listed and certified by CSA. The pressure relief is set at 75 psi (5. 2 bar).
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