and auxiliary heating circuits

Set your multimeter to the microamp (

Which Series use this specific gasket

often repeating this cycle three times before a hard lockout

Resideo 50000066-001 Cover Plate and auxiliary heating circuitsThe Resideo 50000066 001 Cover Plate is a critical accessory for service technicians tasked with upgrading or replacing older thermostats. This 5. 5 inch round decorative wall plate is specifically engineered for a flush fit with Honeywell Home T87K, T87N, and T8775 Series thermostats, including the popular The Round Digital models. Constructed from high impact, non yellowing plastic in a professional Premier White finish, this plate provides a clean