using the correct insertion depth is critical to ensure the bimetal element sits in the proper thermal path

High-Copper Brass Alloy: Forged from 65% copper and 35% zinc to prevent seasonal cracking and thrive in harsh HVACR environments

or plaster walls

Standard Voltage: Rated for 120V applications

Resideo 50001137-001 Cover Plate Assembly using the correct insertion depthThe Resideo 50001137 001 Cover Plate Assembly is a professional grade solution for technicians looking to provide a clean, finished appearance when upgrading or replacing FocusPro TH5110 thermostats. Designed for versatility in the field, this kit includes a small cover plate (4 5 16" x 5 1 2") and a medium cover plate (5" x 6 7 8"), allowing you to conceal terminal scars, paint lines, or oversized holes left by older, larger horizontal thermostats.