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The GOODMAN B1789855 Piston is a flow check piston kit with a 0.055-inch orifice diameter, designed for use with Goodman 13 SEER 1.5-ton condensers. This OEM piston is manufactured in the United States and serves as a metering device for GMC R-22 units.
The GOODMAN B1789855 piston is a flow check piston kit for Goodman 13 SEER 1.5-ton condensers.
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