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

eliminating the risk of porosity or stress cracking under pressure

this brass refrigerant adapter is fully compatible with copper

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

For 4505 or 6505 models

Nordyne 621931R Relay Designed to stabilize the phaseFor 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