Watts 0274598 Valve 318973-401 Prevents Flooded Starts: Maintains oil

Prevents Flooded Starts: Maintains oil temperature to drive off liquid refrigerant

though you must always verify the specific requirements on the furnace or unit heater nameplate during commissioning

coordinating essential sequences from the initial call for heat to the final blower overrun

strike the moving fan blades

ensuring consistent system monitoring and protection against electrical surges that commonly compromise secondary control components

Watts 0274598 Valve 318973-401 Prevents Flooded Starts: Maintains oilThe Watts 0274598 is a high capacity ASME Section IV certified pressure relief valve, engineered specifically for hot water heating and domestic supply boiler systems. Built with a rugged bronze body and a stainless steel spring, this 174A series valve provides critical overpressure protection by reacting to thermal expansion and runaway firing conditions. It features a 3 4 inch FNPT inlet and outlet connection, delivering a substantial steam