Johnson Controls T-4000-3139 Horizontal Cover White Plastic Alumninum

The Johnson Controls T-4000-3139 is a horizontal cover that is white plastic and aluminum for HVAC use. The thermostat is recommended for use in the temperature range of -40°C to 120°C and has a connection type of 1/4 inch NPT. This cover operates at 24V and comes with a manual changeover system for easy and accurate changes. The T-4000-3139 cover is mainly applied in HVAC systems to protect and beautify the control devices, which can make the installation more clean and tidy. This makes its construction largely aluminum thus making it suited for use in various environments, withstand diverse climate in the environment.