Yellow Jacket 77940 Oil Pump R-410A Vibration Dampening: The included gasket

Vibration Dampening: The included gasket reduces mechanical resonance

Inspect the vacuum tubing for cracks or moisture buildup and ensure the condensate drain is not backed up

This component integrates seamlessly with existing control boards and sensing lines for straightforward field installation

through-the-wall air conditioners

Yellow Jacket 77940 Oil Pump R-410A Vibration Dampening: The included gasketThe Yellow Jacket 77940 is a heavy duty Max Flow oil pump engineered for the rigors of professional field service. Designed as a high performance HVAC oil transfer pump, this tool enables technicians to perform compressor oil charging or removal with precision. It delivers a high displacement of 2. 6 oz. per stroke and is rated to overcome system pressures up to 250 PSI, allowing for oil additions while the equipment remains operational. This