Lennox 55W78 Tensioner Assembly 320735-701 Built with a micro-machined

Built with a micro-machined

Key Benefits: Prevents Short Cycling: Protects high-cost compressors by enforcing a mandatory delay between run cycles

this unit is an OEM replacement HVAC thermostat engineered to maintain indoor comfort through efficient staging of heating and cooling cycles

this specific model is not designed for use with Variable Frequency Drives (VFDs) or Electronically Commutated Motors (ECMs)

Total motor failure will prevent the system from initiating the sequence of operation

Lennox 55W78 Tensioner Assembly 320735-701 Built with a micro-machinedThe Lennox 55W78 Tensioner Assembly is a mission critical OEM replacement part engineered for high demand Lennox HVAC systems. As a veteran technician, you know that maintaining precise belt tension is the difference between a smooth running blower assembly and a costly emergency call. This HVAC belt tensioner features a robust 3. 98 inch OD pulley and a high grade spring mechanism designed for consistent pressure across variable load conditions. It