for safety and compliance with HVAC technical specifications

Check for dirty air filters

Designed to stabilize the phase shift for both the compressor and the condenser fan motor

This resettable thermal switch functions as a fail-safe

Nordyne 621931R Relay for safety and compliance withFor 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