Lochinvar & A.O. Smith 100110715 Inlet Switch 326058-756 this is the official manufacturer-designated

this is the official manufacturer-designated direct replacement limit switch

and HQ1010708TD

minimizing vibration and wear

Utilizing solid-state logic

Lochinvar & A.O. Smith 100110715 Inlet Switch 326058-756 this is the official manufacturer-designatedThe Lochinvar & A. O. Smith 100110715 Inlet Switch is a critical safety component designed for high efficiency commercial and residential water heating systems. This OEM replacement part is the current updated version for the legacy 9005900215 and 193363 models. As a normally closed blocked inlet pressure switch, it monitors the air intake for obstructions. If the negative pressure at the combustion air inlet deviates from factory setpointsoften due