Resideo AT20B1056 Transformer 326010-701 and 250C units

and 250C units

a staple in high-capacity commercial and industrial applications like burners

7 amps and features a 825 RPM rating to maintain specific airflow static pressure requirements

Compatible with a wide range of International Comfort Products (ICP) sub-brands including Tempstar

Resideo AT20B1056 Transformer 326010-701 and 250C unitsThe Resideo AT20B1056 is a professional grade 120V to 24V step down transformer engineered for high reliability in residential and light commercial HVACR control circuits. Delivering a 20VA power rating, this unit is specifically designed to power 24VAC thermostats, zone valves, and relay coils with consistent voltage output. The channel frame mounting configuration allows for secure installation directly onto junction boxes or appliance cabinets,