Lennox 29M11 TXV 318973-401 The Danfoss KPU68 features an

The Danfoss KPU68 features an adjustable differential range

a conversion kit or a dedicated LP valve must be utilized to match the higher manifold pressure requirements of liquid propane

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

As a high limit outlet sensor

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

Lennox 29M11 TXV 318973-401 The Danfoss KPU68 features anThe 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