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Duotone bay — asphalt brief on the left, yellow-folded service sheet on the right.
making it a reliable choice for HVACR contractors managing large-scale cooling loads
Safety Compliance: Acts as a critical fail-safe to prevent manifold and heat exchanger damage
A tripped limit switch typically results in the indoor blower motor running continuously while the burners fail to ignite
simplifying maintenance and ensuring your units run at peak efficiency
Common Questions Why is my York furnace rollout switch tripping
Lochinvar & A.O. Smith 100109677 Control THPU32HP7Y making it a reliable choiceThe Lochinvar & A. O. Smith 100109677 Natural Gas Control is a precision engineered OEM gas valve designed for high input commercial and residential water heaters and boilers. As a critical multi function control, this unit manages natural gas flow, regulating the main burner ignition and gas pressure to maintain optimal thermal efficiency. HVACR technicians recognize this part as a reliable successor to legacy 100109677 and 100109677 100 components.