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This HVAC pressure switch is factory-calibrated but versatile
What does the manual fan switch do
making it a rugged choice for service technicians handling natural gas
utilizing the correct exhaust fan blade for your unit heater is essential for system longevity and consistent thermal distribution
Lochinvar & A.O. Smith 100110739 Valve 318423-701 This HVAC pressure switch isThe Lochinvar & A. O. Smith 100110739 is an OEM spec 1 inch T&P relief valve engineered for high output commercial and residential water heating systems. Designed to trigger at a 150 PSI pressure setting or a thermal limit of 210F, this valve provides critical over pressure and over temperature protection to prevent catastrophic tank failure. It features a 1" MNPT inlet and 1" FNPT outlet, ensuring a high capacity discharge flow rated at 500,000 BTU
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