Rheem-Ruud 70-18631-01 Blower Wheel Els PW 17895 What is the primary difference

What is the primary difference between the 1609-90 and standard controllers

This unit features a 2-1/8 inch "D" style stem

preventing the nuisance lockouts and ignition failure common with aged or carbon-fouled components

This specific 30-degree differential prevents rapid cycling while ensuring the furnace operates within safe thermal parameters

allowing for an automatic reset once the burner vestibule cools to safe levels

Rheem-Ruud 70-18631-01 Blower Wheel Els PW 17895 What is the primary differenceThe Rheem Ruud 70 18631 01 Blower Wheel is a precision engineered OEM replacement blower wheel designed for high static pressure applications in residential and light commercial furnaces and air handlers. Featuring a 9 1 2" diameter and 7 1 8" width, this double inlet blower wheel utilizes 43 blades and a convex disc design to optimize cfm output and maintain system static balance. The 1 2" bore configuration is tailored for direct drive blower