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Goodman B1789859 is a flowcheck piston kit used to service the flow control piston in compatible condensing units. The kit is identified as a flow restrictor orifice and is listed with a size of 0.59 in. Manufacturer references include Daikin Comfort Technologies and Goodman OEM listings. Suitable use cases include repair or replacement of the flow control piston on specified condensing unit models.
Flowcheck piston kit (MPN B1789859) for servicing flow control pistons; restrictor size 0.59 in; OEM/Daikin reference for Goodman condensing units.
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