Lennox 73M72 Extension Kit R-407A The unit includes standard 1/4-inch

The unit includes standard 1/4-inch quick-connect terminals and a multi-positional tab bracket to ensure a seamless fit in tight control panels

The Johnson Controls T-4000-2140 is a high-durability beige plastic cover engineered specifically for horizontal mounted thermostats within the T-4000 series pneumatic control family

While the control module is the common failure point

protecting sensitive downstream electronics

Lennox 73M72 Extension Kit R-407A The unit includes standard 1/4-inchThe Lennox 73M72 is a critical Vertical Vent Extension Kit specifically engineered to modify the venting system on compatible high efficiency furnaces and SG 150 units. When standard flue runs aren't enough to clear building obstructions or meet local code for roof terminations, this OEM replacement part provides the necessary height for proper exhaust gas routing. For a tech in the field, this kit is essential for maintaining the correct 1 4 inch per