Built with low-voltage 24V inputs and heavy-duty relay outputs

it will close the circuit once the plenum temperature drops to 100°F

High Temperature Resilience: Capable of managing fluid temperatures up to 281°F (138°C) for diverse heating and cooling applications

including 7163-3736 and Magnetek U26

and RPM match

Resideo AT72D1188 Transformer 323269-701 Built with low-voltage 24V inputsThe Resideo AT72D1188 Transformer is a heavy duty, plate mounted solution designed for consistent step down power in 24V control circuits. This 40VA HVAC transformer features a 120V primary input and a 24V secondary output, making it a standard choice for technicians servicing thermostats, gas valves, and relays. Engineered for industrial grade durability, it includes a NEMA Type D rating and a 4"x4" mounting plate designed to secure onto a junction