Honeywell C554A1463 Flame Detector this unit stays intact during

this unit stays intact during brief startup surges typical of motors and transformers

5-pole units that keep one leg hot

The Johnson Controls T-4000-2145 Plastic Cover is a professional-grade replacement engineered specifically for T-4000 series pneumatic thermostats

This HVAC high limit thermostat is a standard replacement part used across numerous OEM platforms

Honeywell C554A1463 Flame Detector this unit stays intact duringThe Honeywell C554A1463 is a high sensitivity cadmium sulfide flame detector engineered for precise photoconductive flame sensing in sequencing oil burner systems. Designed for professional contractors, this cad cell interface works in direct conjunction with Protectorelay controls to initiate a safety shutdown of the main burner upon detection of a flame failure. The sensor features a robust glass to metal hermetic seal that protects the internal