Johnson Controls T-4000-3145 Plastic Cover this limit switch is a

this limit switch is a standard safety component across the Carrier/Bryant/Payne family of residential heating equipment

Common Questions What does a 0

This is an inherently limited design

or insufficient combustion air causing flames to roll out the front of the burner

You should reuse your existing adjustment screw and gasket or source them separately if they are damaged

Johnson Controls T-4000-3145 Plastic Cover this limit switch is aMaintain the integrity of your pneumatic control systems with the Johnson Controls T 4000 3145, a professional grade replacement vertical plastic thermostat cover. Designed specifically for the legacy T 4000 series, this white thermostat cover plate features a clean, high impact plastic construction that protects sensitive pneumatic sensing elements from ambient dust and physical impact. As a genuine OEM Johnson Controls replacement part, it ensures a