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by breaking the control circuit when pressures exceed 650 PSI
is a specialized steam safety relief valve engineered for low-pressure steam heating boilers
replacement springs
or steam applications where ANSI Class IV leakage standards must be met
Safety Compliance: Functions as a primary safety limit to shut down gas flow immediately if a flame is not established or is lost during the run cycle
Watts 0121665 Gauge 320788-702 by breaking the control circuitThe Watts 0121665 (Series LFDPTG 1) is a specialized 3 inch combination pressure and temperature gauge designed for heavy duty commercial, residential, and institutional HVACR applications. This bottom mount 1 2 inch NPT gauge features a dual scale display for both pressure (0 200 PSI) and temperature (32F to 248F), allowing for simultaneous monitoring of system vital signs from a single entry point. Engineered with a lead free copper alloy Bourdon