Watts 0274426 Valve 326058-757 Use a manometer to verify

Use a manometer to verify the bypass opens only when the smallest zone is calling

For technicians performing a furnace repair or preventive maintenance

This transducer is an essential component for technicians requiring stable suction or discharge pressure data in demanding HVACR applications

SPDT Versatility: Features both normally open (NO) and normally closed (NC) contacts for complex switching logic like fan speed or emergency heat

Watts 0274426 Valve 326058-757 Use a manometer to verifyThe Watts 0274426 (Series 174A) is a heavy duty 3 4" bronze boiler pressure relief valve engineered specifically for high capacity protection in hot water heating systems and domestic supply boilers. Rated for a 33 PSI set pressure with a massive steam discharge capacity of 695,000 BTU hr, this valve is a critical safety component designed to prevent catastrophic over pressurization. It features a rugged bronze body and a stainless steel spring for