Lennox 39L14 Blower Shaft THPU32HP7Y while the RA/DA jumper allows

while the RA/DA jumper allows for quick logic changes on-site

How do I know if my furnace limit switch is failing

Designed for direct installation into tank tappings

The full-port design minimizes pressure drop across the valve

Lennox 39L14 Blower Shaft THPU32HP7Y while the RA/DA jumper allowsThe Lennox 39L14 (also cataloged as 39L1401) is a precision engineered OEM blower shaft designed for heavy duty commercial and industrial air handling applications. Constructed from high tensile 1045 or C45 medium carbon steel, this shaft provides the necessary structural rigidity to handle the dynamic loads and high rotational speeds found in large scale HVAC systems. With a critical 1 7 16 inch diameter and a total length of 51 1 4 inches, it serves