This probe-type LWCO features a 20

eliminating the need for external speed controllers

facilitating a familiar installation process for field technicians

which destabilizes the flame signal and may cause carbon monoxide risks or burner instability

Resideo AT72D1733 Transformer 322057-301 This probe-type LWCO features aThe 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