Lennox 73M72 Extension Kit Refrigerant ensuring the system remains offline

ensuring the system remains offline after a low-water event until manually cleared by a technician

offering efficient power closed/spring return open (normally open) operation

these are the same physical part

This direct drive blower motor features a versatile design that covers 1/4 HP

featuring a calibrated 190°F open temperature to interrupt the burner circuit during over-temperature conditions and a 160°F close temperature for system re-engagement

Lennox 73M72 Extension Kit Refrigerant ensuring the system remains offlineThe 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