Resideo 50000066-001 Cover Plate Springs are color-coded based on

Springs are color-coded based on their tension and pressure range

As a veteran-grade OEM furnace replacement part

To increase the sensed amperage for very small loads

you must always use the temperature rating specified by the manufacturer

Resideo 50000066-001 Cover Plate Springs are color-coded based onThe 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