Resideo AT72D1733 Transformer 320788-702 Featuring a calibrated operating range

Featuring a calibrated operating range of 150-190F

These part numbers refer to the identical valve specification

Durable Construction: Built by Advanced Distributor Products to resist oxidation and structural fatigue in high-temperature environments

the cold end header box manages the collection and drainage of corrosive condensate produced during the combustion process

How do I know if the 20274507 is compatible with my furnace

Resideo AT72D1733 Transformer 320788-702 Featuring a calibrated operating rangeThe Resideo Honeywell Home AT72D1733 is a multi tap 40VA plate mounted transformer engineered for reliable power distribution in residential and light commercial 24V control systems. This Class 2 transformer provides maximum application versatility with primary voltage taps for 120V, 208V, and 240V, ensuring compatibility with varying site power configurations. The secondary output delivers a consistent 24V under load, making it a critical component