Automatic Reset Functionality: Eliminates the need for manual resets

For 4505 or 6505 models

which often indicates the cam is no longer providing sufficient lift to actuate the No

Check for dirty air filters

Nordyne 621931R Relay Automatic Reset Functionality: Eliminates theFor veteran technicians servicing Nordyne, Intertherm, or Miller equipment, the Nordyne 621931R Relay is the critical OEM replacement part for ensuring consistent blower motor and electric heat kit operation. This SPDT NO NC relay (Single Pole Double Throw, Normally Open Normally Closed) is the direct cross reference for Nordyne 621931, as well as several legacy part numbers including 6219310 and PR1931. Built for versatility in high demand