Replacing a failing start relay with this genuine Copeland replacement part eliminates common field issues like humming compressors

The pre-wired design with 16-inch 600V rated leads and a 1/2" NPT nipple ensures rapid installation directly onto standard electrical boxes

What is the shaft size for the Reznor 106937

a different rebuild kit with a specific solenoid base sub-assembly is required

Because the 30132187 interfaces with high-voltage wiring and critical safety switches

Lennox 49W87 Wiring Harness 322838-753 Replacing a failing start relayThe Lennox 49W87 Wiring Harness (also identified by manufacturer part number LB 74919) is a critical OEM component designed for high integrity electrical distribution within residential HVAC systems. Engineered to facilitate the secure transmission of power to evaporator coil blowers and control boards, this harness features a 5 pin Molex connector and pre terminated spade connections to ensure a reliable interface without field splicing. The lead