Resideo AT40A1139 Transformer 322057-301 Includes high-temperature flexible tubing to

Includes high-temperature flexible tubing to withstand demanding mechanical room environments

it is recommended to install the 2-inch 8215 series with the solenoid in a vertical and upright position for optimal performance and to prevent debris accumulation

Enhanced Safety: Engineered with a fail-safe mechanism that reduces flow in seconds if the cold water supply is interrupted

Enhanced Durability: The heavy-duty sleeve-type design is engineered for high-demand HVAC hydronic systems

Resideo AT40A1139 Transformer 322057-301 Includes high-temperature flexible tubing toThe Resideo AT40A1139 Transformer is a heavy duty 40VA power supply designed for reliable 24V control circuits in residential and light commercial HVACR applications. Engineered with a 240V primary and a 26. 5V secondary output, this NEMA Type D transformer ensures consistent voltage regulation for thermostats, zone valves, and gas valves. The channel frame mounting configuration allows for versatile installation directly onto a junction box or