allowing for seamless retrofitting without extensive modifications

provided ambient temperature limits are maintained

maintaining the combustion efficiency of your HVAC installation while ensuring long-term system reliability in commercial and industrial applications

ensuring exact mechanical alignment

Integrating this Midco replacement part ensures your gas train meets ANSI standards for rapid main burner ignition and reliable performance under high-fire or modulating conditions

Resideo AT140A1000 Transformer 326058-757 allowing for seamless retrofitting withoutThe Resideo AT140A1000 Transformer is a heavy duty 40 VA solution designed to provide reliable 24V power for residential and light commercial HVAC control systems. As a Class 2 step down transformer, it converts a 120V primary input to a 27V secondary (open circuit), ensuring stable operation for thermostats, gas valves, relays, and zone controllers. This unit is built for versatile field application, featuring multiple mounting configurations