Using genuine Lennox OEM replacement parts is highly recommended to ensure the trap meets the specific internal pressure and drainage requirements of the original equipment design

effectively acting as a low pressure cut-out to protect the compressor from vacuum or low-charge conditions

as long as the controller supports 10k-ohm (or specified thermistor curve) inputs and 24V power

typically at 0

Operating within a 100-140°F temperature range

Sterling 11J34R06999-112 Blade Refrigerant Using genuine Lennox OEM replacementThe Sterling 11J34R06999 112 Fan Blade is a direct OEM replacement component specifically engineered for the Sterling TF series gas fired unit heaters. Designed to maintain precise CFM output and static pressure balance, this 4 blade aluminum assembly ensures optimal heat exchanger cooling preventing high limit trips or premature component fatigue. When replacing a damaged or pitched blade, ensuring hub diameter compatibility and correct blade pitch