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Easy Installation: The Type B square shaft design ensures a positive mechanical connection with standard HVAC damper hardware
the 27W48 typically includes the thermostatic element
ensuring consistent airflow and thermal regulation in commercial HVAC systems
For contractors performing a furnace relay replacement
Lochinvar & A.O. Smith 100157626 Cleaning Kit 320819-301 Easy Installation: The Type BFor field technicians servicing high efficiency condensing units, the Lochinvar & A. O. Smith 100157626 Cleaning Kit is the professional standard for maintaining the integrity of the heat exchanger. This OEM boiler part is specifically engineered for the Lochinvar Knight WB 81 and KB 80 series, as well as WA 125 and WB KB106 commercial gas water heaters. Over time, combustion byproducts and mineral scale accumulate on the heat exchanger surfaces,