Johnson Controls DMPR-KC050 Crankarm or if you measure an

or if you measure an open circuit across the limit terminals while the plenum is cool

" If the plastic has become brittle or shows signs of leakage near the base

Refer to the wiring diagram on the Lennox 10P17 housing

replacing the probe will clear the error and allow the heating sequence to begin

Johnson Controls DMPR-KC050 Crankarm or if you measure anThe Johnson Controls DMPR KC050 Crankarm is a heavy duty linkage component engineered for demanding HVAC damper applications. Designed to fit a 7 16" diameter shaft, this crankarm provides the mechanical leverage required to translate actuator rotation into precise damper blade movement. The integrated adjustable radius, ranging from 1 inch to 2 3 4 inches, allows technicians to fine tune the stroke and torque delivery, ensuring optimal seal