Energy Management Recovery: Automatically calculates the time needed to reach the next temperature setpoint for peak efficiency

or diagnostic codes signaling a relay stuck in the open or closed position

tool-free installation

it offers exact dimensional compatibility for Amana heat exchanger sealing

Resideo ST9120U1011 Fan Timer R-410A Energy Management Recovery: Automatically calculatesThe Resideo ST9120U1011 is a universal electronic fan timer engineered to serve as a comprehensive control solution for gas warm air appliances. This furnace fan timer board integrates the management of combustion blowers and circulating fan operations into a single robust platform. Designed for field flexibility, it features DIP switch selectable delay settings that allow for precise timing adjustments. Specifically, the ST9120U1011 provides