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Watts
Automatic self-closing temperature and pressure relief valves. Meets AGA, CGA, and current FHA requirements and American National Standard Z21.22 plus Military specifications MIL-V-136-12D, type 1. Thermobonded (non-metallic) protective coating on thermostat. Test lever and 4" extension thermostat. 3/4" inlet and outlet size. PSI is what the pressure relief is set at. 150 lbs. PSI.
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