The Johnson Controls T-4000-3139 White Horizontal Thermostat Cover Plate is a protective and aesthetic accessory for HVAC thermostats used with furnaces, air conditioners, and heat pumps. It provides a clean, finished surface around the thermostat, concealing wall imperfections and securing the device. By protecting thermostat wiring and components from dust and incidental contact, it supports accurate temperature control and enhances system reliability. Designed for easy installation and durability, this cover plate improves visual appeal, simplifies maintenance, and contributes to dependable HVAC performance in residential and commercial environments.
For an efficient and reliable HVAC system, the Johnson Controls White Horizontal Thermostat Cover Plate is a great choice for optimal system performance.
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Visit The Website : https://www.partshnc.com/horzcoverwhiteplasticalumninum
Johnson Controls T-4000-3139 White Horizontal Thermostat Cover Plate
Published on January 21, 2026
Published by Thomason
Viewed by 2 people
Description of item
Location
Country
United States
Region
IL
City
Chicago
Address
700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
Seller information
Name
Thomason
Phone
8667730XXX
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Location
Chicago in IL, United States
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