What causes a Lennox 44L65 limit switch to trip repeatedly

Contacts often weld shut due to excessive amp draw or pitting from long-term arcing

Once installed and linked

The International Comfort Products 1207961 Variable Speed Motor is an OEM replacement blower motor engineered for use in select ICP

Sporlan 040363-05 TXV Valve 320735-701 What causes a Lennox 44L65The Sporlan 040363 05 TXV Valve (Model ECE B SW) is a professional grade thermostatic expansion valve featuring a robust brass bar stock body and a balanced port design. Engineered for precision in refrigeration and air conditioning systems, this valve effectively offsets the effects of high pressure drops, ensuring stable superheat control across varying load conditions. It features a 3 8" ODF inlet and a 1 2" ODF outlet with extended solder