Johnson Controls T-4000-2145 Plastic Cover Regular inspection of these HVAC

Regular inspection of these HVAC safety controls is essential for maintaining proper furnace limit control and ensuring the 170-degree Fahrenheit threshold is never exceeded during operation

Using a genuine Reznor 93973 replacement ensures that the pilot flame behavior matches the unit's thermal requirements

a clogged flame arrestor

This OEM Trane replacement part supports line-voltage applications up to 120/240 VAC with a 15A resistive rating

spiral spacers

Johnson Controls T-4000-2145 Plastic Cover Regular inspection of these HVACThe Johnson Controls T 4000 2145 Plastic Cover is a professional grade replacement engineered specifically for T 4000 series pneumatic thermostats. This beige thermostat cover is designed for vertical mounting applications and provides a clean, secure finish for your field installations. Featuring a single set point window, it allows for immediate visual verification of thermostat settings without the need to remove the housing, streamlining routine