Honeywell AT72D1006 Transformer R-407A As a primary heat exchanger

As a primary heat exchanger

simplifying site wiring for contractors

verify your venting and hoses for blockages with a manometer before replacing

specifically high-capacity models like the ZB95

Honeywell AT72D1006 Transformer R-407A As a primary heat exchangerThe Honeywell AT72D1006 Transformer is a heavy duty 120V to 24V step down transformer engineered for reliable power delivery in commercial and residential HVACR control circuits. As a veteran grade 40VA HVAC transformer, this unit is the standard choice for powering 24V thermostats, gas valves, and relays. Built to meet NEMA Type D specifications, it features a 4x4 plate mount configuration that allows for secure installation directly onto standard