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providing the granular system management required for modern high-efficiency residential and commercial units
The 042N4230 is the updated version of the 042N4221
reducing wear on the burner and ignition components
this kit permits the use of standard galvanized piping in many applications
Lochinvar & A.O. Smith 100208494 Control Board 30067439-890 providing the granular system managementSecure the operational integrity of high efficiency heating systems with the Lochinvar & A. O. Smith 100208494 Main Control Board. This genuine OEM component is the primary ignition control module designed to manage critical firing sequences, blower speed modulation, and pump logic for the Lochinvar Knight boiler series and compatible A. O. Smith commercial water heaters manufactured before serial 1707. As a direct replacement for the discontinued
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