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Key Benefits for Technicians: Precise Calibration: Factory-set at 0
It meets SAE J513 standards
Unobstructed Drainage: Engineered to handle full relief valve discharge without splashing or overflow
it will compromise the vacuum seal and prevent the furnace from firing
McDonnell & Miller 317354 Breaker and Gasket Els PW 17895 Key Benefits for Technicians: PreciseThe McDonnell & Miller 317354 is the critical TC V vacuum breaker and gasket assembly engineered for high performance hot water boiler systems. This specific mechanical component is a direct fit solution for the upper valve of Series TC 4 Test N Check configurations, allowing for the rapid evacuation of water from the float chamber during routine diagnostics. By admitting atmospheric air when a vacuum condition occurs, the model TC V prevents back