Lennox 55W78 Tensioner Assembly 318172-701 allowing for both heating and

allowing for both heating and cooling circuit integration or a common-off configuration

its GP427 construction may allow for other media

the internals or diaphragm have likely failed

but the wattage output will be reduced to approximately 4130 Watts

it features a high-temperature porcelain insulator and a durable stainless steel rod tip to withstand the harsh environment of the burner assembly while ensuring rapid flame detection during the crucial four-second proving window

Lennox 55W78 Tensioner Assembly 318172-701 allowing for both heating andThe 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