Honeywell Home Large Cover Plate & Electrical Box Adaptor for T-Series Thermostats THP2400A1080 — White

Overview

Refresh a thermostat install with a clean, seamless wall finish using the Honeywell Home Large Cover Plate and Electrical Box Adaptor. This kit helps conceal marks, holes, or wall damage left by older thermostats and simplifies mounting a new unit to a 2 in. x 4 in. electrical box, giving you a tidy, professional look without a big renovation.

What’s included

• Cover plate
• Electrical box adaptor
• One mounting bracket
• Mounting screws

Key benefits

• Covers holes, paint marks, and wall damage for a neat finish after replacement
• Adapts to single or double gang boxes for flexible installation
• White finish blends with most interiors for a subtle, low-contrast look
• Includes hardware for quick setup and a secure hold

Compatibility and size

Designed to work with popular Honeywell Home T-Series thermostats including T1 through T10, and with Amazon Smart Thermostat. Wall mounting size is 155 x 155 x 6.5 mm (6.1 x 6.1 x 0.26 in), enabling a low profile on most walls.

Installation tips

Mount the adaptor to a 2 in. x 4 in. box, then attach the cover plate and thermostat. Align the unit for a flush fit and tighten the included screws for a secure result. The kit supports both small and large wall openings, making updates straightforward.

Real-life scenarios

Ideal for replacing an older wall unit in a living space, hallway, or kitchen. The white plate helps create a clean, unobtrusive finish and can simplify any future upgrades by concealing previous wall imperfections.

Material and finish

The durable white finish is designed for everyday use and easy wiping, helping maintain a neat appearance over time.