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Enhanced Safety Compliance: High-precision negative pressure sensing prevents gas valve activation if venting is obstructed or the inducer fails
(1) 1-inch O-ring
which could introduce resistance into the sensitive flame sense circuit
Constructed with a heavy-duty motor and a balanced impeller
Mueller Industries AG15503 Valve 321894-708 Enhanced Safety Compliance: High-precision negativeThe Mueller Industries AG15503 is a high performance direct spring actuated pressure relief valve engineered for critical overpressure protection in commercial refrigeration and HVACR systems. Designed to meet ASHRAE Standard 15 and ASME Section VIII code requirements, this commercial refrigeration safety valve features a 3 8 inch NPTFE inlet and a 1 2 inch flare outlet. It is factory set at 350 PSI to prevent vessel failure and ensure system
