Lochinvar & A.O. Smith 100093769 Board 321042-401 and 100167473

and 100167473

technicians can eliminate leakage and bypass issues common in aged 2-way normally closed valves

ensuring full compatibility with the manufacturer’s high-efficiency condensing units

and 4-20mA (with included 500-ohm resistor) control signals

Lochinvar & A.O. Smith 100093769 Board 321042-401 and 100167473The Lochinvar & A. O. Smith 100093769 Thermodisc Board Replacement Kit is a critical OEM component designed for AWHC control board restoration in high efficiency commercial and residential water heating systems. As a direct factory replacement for the legacy 6910605 thermodisc board, this kit integrates the latest logic to manage high limit safety cutouts and precise temperature monitoring. For technicians servicing Lochinvar Knight or A. O. Smith