It is technically equivalent to the 1010239P and replaces legacy part numbers such as 7021-9188 and 7021-9498

it provides reliable performance in high-draw environments

factory-set to trigger at 4-8 PSI on rising or falling pressure

This Time Delay Relay is a stacked DPST (Double Pole Single Throw) configuration designed to handle inductive loads in Lennox furnaces and heat pumps

Operational Status: Integrated LED indicators provide immediate visual verification of power and load status

Lochinvar & A.O. Smith 100208494 Control Board R-22 It is technically equivalent toSecure 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