bubbles may appear temporarily during startup or if the expansion valve is hunting

or if the unit is making a humming or grinding noise without movement

a clogged heat exchanger

Genuine OEM Replacement: Matches original manufacturer specifications for the Trane MOT17346 to ensure proper airflow and amperage draw

The KPS 81 (060L310666) is designed to handle a maximum bulb temperature of 200°C safely

Lennox 59W20 TXV 326058-755 bubbles may appear temporarily duringThe Lennox 59W20 TXV is a high precision thermal expansion valve engineered for R 410A refrigerant systems. This OEM expansion valve (part number 100679 33) is designed to optimize evaporator efficiency by maintaining consistent superheat levels across varying thermal loads. Built with a durable brass body, the unit features a 3 8" x 1 2" ODF connection configuration, a 30 inch capillary tube, and a 1 4" sensing bulb to provide responsive metering and