protecting sensitive electronic controls and preventing fastener loosening

optimizing overall liquid line solenoid performance

using a 1/150 HP motor where a higher horsepower is required will lead to premature failure and inadequate heat exchange

When performing a seasonal teardown or a compressor oil filter replacement

Precise Flow Control: Optimized for pressure independent control valves to maximize energy efficiency in varied load conditions

Lennox 73M72 Extension Kit R-134A protecting sensitive electronic controls andThe 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