including 0-1"wc

This weatherproof kit is purpose-built for high-torque applications

If your heater is failing to prove draft due to motor seizure or reduced RPMs

Calibration points for blocked outlet detection are specific to the blower and vent assembly

Common Questions: Does this kit include the pilot valve itself

Resideo RRD6 Damper 321702-401 including 0-1"wcThe Resideo RRD6 Damper is a precision engineered 6 inch retrofit round damper designed for seamless integration into existing rigid or flexible ductwork. This HVAC zoning damper utilizes a 24Vac, three wire, power open power closed floating actuator, providing superior control over airflow compared to standard spring return models. Built for high cycle reliability, the RRD6 features a robust Resideo damper motor that maintains position without