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This non-regulated gas valve features 1/2" NPT inlet and outlet connections and is engineered to manage both Natural Gas and Liquid Propane (LP) at pressures up to 0
verify your specific boiler’s wiring schematic for its line voltage terminal configuration
As a veteran-preferred Watts 909 second check repair kit
This HVAC safety switch is critical for preventing hazardous combustion conditions
preventing leakage and ensuring the pressure switch trip points remain accurate
McDonnell & Miller 193 Controller Els PW 29614 This non-regulated gas valve featuresThe McDonnell & Miller 193 (Part Number 163400) provides heavy duty combination low water cut off and pump control for commercial and industrial steam boilers. Engineered for high pressure systems with a 150 PSI maximum pressure rating, this unit features dual snap acting SPDT switches to ensure precise differential control and reliable burner shut down. The proportional action of the float mechanism maintains tight water level tolerances, preventing