Lennox 29M11 TXV 318973-401 Common Contractor Questions What are

Common Contractor Questions What are the symptoms of a failing GP627 internal assembly

while the 24V 40A contactor ratings meet strict 50/60 Hz requirements for versatile application across various geothermal and air-source models

You can verify this by checking the label on your existing part or using a digital manometer to measure the actual draft pressure during the startup sequence

Field-reversible mounting allows for both clockwise and counter-clockwise rotation

Lennox 29M11 TXV 318973-401 Common Contractor Questions What areThe Lennox 29M11 is a high performance thermostatic expansion valve (TXV) engineered for residential and light commercial air conditioning applications. Designed for 4 ton systems, this genuine OEM Lennox part ensures precise refrigerant metering to maintain target evaporator superheat across varying thermal loads. The 29M11 expansion valve features a 3 8" x 5 8" ODF (Solder) connection for secure, leak resistant installation and includes a 30 inch