and RPM match

Universal Frequency Support: Operates efficiently at both 50 and 60 Hz on a single-phase system for versatile job site application

ensuring specific set-point accuracy for R-22

System Protection: Acts as a limit control to shut down operations during abnormal airflow or filter blockage

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

Resideo AT72D1188 Transformer 323269-701 and RPM matchThe 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