Honeywell H7735A2012 Wall Humidity Sensor 340793-762 the logic circuit likely requires

the logic circuit likely requires replacement

The RRD5 uses a 3-wire 24V configuration: M1 (Common)

If the valve fails to close completely or exhibits a "humming" noise

Is this kit compatible with the original Series 009 or only the M2 version

As an experienced HVAC contractor

Honeywell H7735A2012 Wall Humidity Sensor 340793-762 the logic circuit likely requiresThe Honeywell H7735A2012 Wall Humidity Sensor is a critical component for high performance commercial HVAC monitoring, delivering precise environmental data to building automation systems. Designed specifically for wall mount installation, this unit features a 3% RH accuracy rating across a 0% to 95% non condensing range, ensuring stable control in sensitive environments. Technicians will find the integrated 20K Ohm NTC temperature sensor particularly