valve control

or low refrigerant levels to protect the compressor from damage

identical replacement for the Barber Colman EA-71

For 3-inch schedules

The hydraulic action sensing element ensures rapid response times by maintaining direct contact with the pipe surface

Lennox 31K74 Blower Shaft 319852-301 valve controlThe Lennox 31K74 Blower Shaft is a critical replacement component engineered for heavy duty rotation in residential and commercial air handlers. Measuring 18 inches in length with a 1 inch diameter, this shaft is manufactured from 1045 or C45 carbon steel to provide superior torsional strength and resistance to bowing under high torque loads. As a genuine OEM Lennox part, it ensures precise tolerance matching for blower wheel hubs and bearing