Lochinvar & A.O. Smith 100157626 Cleaning Kit 321702-401 31 VDC usually indicates a

31 VDC usually indicates a calibration shift or internal failure

This HVAC equipment harness is specifically optimized for use with deluxe thermostats and is compatible with various 48HCDA and 50TCA series units

While the standard MR212G is typically set for natural gas

Does this include the motor power leads

Lochinvar & A.O. Smith 100157626 Cleaning Kit 321702-401 31 VDC usually indicates aFor 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,