Johnson Controls T-4000-2145 Thermostat CoverJohnson Controls T 4000 2145 Thermostat Cover is a durable, easy to install replacement designed for compatible thermostats. Made from rugged plastic with a neutral beige finish, this cover protects sensitive components while maintaining a clean, professional control panel appearance. Its vertical mounting type simplifies installation on supported units, and the included set point window provides quick visibility for adjustments. This cover is

pilot-operated piston design for reliable

OFF 60 seconds

It serves well as a replacement or refurbishment option in compatible Armstrong equipment

Ideal for HVAC applications

This remote temperature controller supports 50 Hz (-40 to 125°F) and 60 Hz (-40 to 140°F) operation

The carbon-loaded non-stick disc enhances durability

making it ideal for hot water service

Low maintenance for long service life

Durable construction ensures long-lasting reliability in HVAC service

Easy to install and remove for quick maintenance

Low power consumption and dependable operation across a wide temperature range

accurate temperature control and helping protect your heating system from overheating