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This is an "Open High" SPST switch
By ensuring a consistent fuel-to-air mixture
this York OEM sensor maintains calibration integrity in demanding environments
5 Cv rating allows for maximum throughput in 1-inch piping systems
Lochinvar & A.O. Smith 100277954 Valve 319852-301 This is an "Open High"The Lochinvar & A. O. Smith 100277954 is a 3 4" 150# T&P Valve designed for high pressure commercial and residential water heating systems. This temperature and pressure relief valve serves as a critical safety component, engineered to discharge water when inner tank temperatures exceed 210F or pressures surpass 150 PSI. The 100277954 is the official manufacturer specified 100167353 replacement valve, ensuring seamless mechanical compatibility and