Resideo AT140A1042 Transformer 320788-703 Reduced Maintenance: Minimizes mechanical wear

Reduced Maintenance: Minimizes mechanical wear on drive components by ensuring proper belt tension and alignment

making it a staple for HVAC automation and pneumatic control systems that require consistent

Self-Cleaning Action: The top-mounted orifice design utilizes a full differential purging action to clear dirt and scale

A: This product requires installation by a qualified and licensed contractor using properly calibrated combustion test equipment to ensure safe and correct operation

This kit includes the pressure switch and necessary components for a streamlined installation

Resideo AT140A1042 Transformer 320788-703 Reduced Maintenance: Minimizes mechanical wearThe Resideo AT140A1042 Transformer is a heavy duty 40VA power supply engineered for reliable performance in HVAC control circuits and zoning systems. This foot mounted transformer features a dual voltage primary (120V 240V) at 60Hz, providing a steady 24VAC output for powering thermostats, relays, and gas valves. The multi tap connection design simplifies installation across various line voltage configurations, ensuring the secondary output remains