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Rugged Construction: Built with high-quality internal bellows and a durable housing to withstand the rigors of mechanical rooms and outdoor condensing units
5-ton furnace and air handler models
technicians can adjust system setpoints away from the main burner manifold
Critical Burner Safety: Prevents furnace ignition during flue blockages or mechanical inducer failure
Watts 0274596 Valve 318518-761 Rugged Construction: Built with high-qualityThe Watts 0274596 is a 3 4 inch Model 174A 70 ASME rated pressure relief valve designed specifically for protection against excessive pressure in water heating and storage applications. Engineered for closed loop systems, this hot water boiler relief valve features a high capacity BTU hr rating to ensure rapid pressure discharge when system limits are exceeded. The valve is factory set at 70 PSI, providing a reliable safety threshold for high pressure
