Can the AFS-227-161 be mounted horizontally

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

it offers exact dimensional compatibility for Amana heat exchanger sealing

OEM Compatibility: Specifically engineered for Rheem-Ruud equipment

tool-free installation

Resideo ST9120U1011 Fan Timer R-410A Can the AFS-227-161 be mountedThe 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