The Watts 0274836 (Model 174A-3/4-150) is a high-capacity boiler pressure relief valve engineered for critical overpressure protection in hot water heating systems and domestic supply boilers

offering updated RF protocols and enhanced sensor reliability

Its nitrile rubber construction prevents metal-to-metal contact

The York S1-024-35881-000 Motor is a precision-engineered

you can restore factory-spec performance to aging 400 series units

Trane WIR3351 Compressor Wire 318423-701 The Watts 0274836 (Model 174A-3/4-150)The Trane WIR3351 is an essential OEM wiring harness engineered specifically for scroll compressor configurations in Circuit 2 (CKT 2) of Trane and American Standard HVAC units. As a veteran technician knows, maintaining electrical integrity at the compressor is non negotiable for system longevity. This replacement compressor wire features a robust three wire configuration (Red Blue Black) and includes a high grade molded plug designed to seat