Resideo HR90 Controller 323080-701 triggering two DPDT relays to

triggering two DPDT relays to shut down fans or open heating valves

effectively preventing furnace ignition failure and flame rollout conditions

Bore Security: The 7/8" fixed bore includes a set screw over the key and a second at 90 degrees to prevent shaft galling and vibration

and potential tripping of the overcurrent protection

Resideo HR90 Controller 323080-701 triggering two DPDT relays toThe Resideo HR90 TheraPro is an advanced digital radiator controller designed for precise hydronic zone management in residential and light commercial applications. This electronic radiator valve actuator utilizes a clear, backlit adjustable display for seamless integration into any HVAC manifold system or standalone radiator setup. Featuring an M30 x 1. 5 connection, the HR90 is compatible with standard thermostatic radiator valves, providing