Johnson Controls T-4000-3144 Plastic Cover providing the necessary strength for

providing the necessary strength for pneumatic piston-style actuators without flexing under load

What happens if the internal thermal fuse blows

For Series 64 or 67

Can this part replace a generic

Repeated tripping typically indicates a serious venting issue or air pressure imbalance within the combustion chamber

Johnson Controls T-4000-3144 Plastic Cover providing the necessary strength forMaintain the integrity and professional finish of your pneumatic control systems with the Johnson Controls T 4000 3144. This high density white plastic thermostat cover is specifically engineered for vertical mounted thermostats, providing a streamlined, tamper resistant solution for commercial HVAC environments. Designed as a direct replacement for the T 4000 series, this model features a concealed design with no thermometer window and no setpoint