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Goodman B1789861 is a flow check piston kit used as a replacement/service part for compatible Goodman equipment. The kit corresponds to OEM part number B1789861 and includes a piston sized 0.061 in. It is provided as a single-item service component listed under reference GOODMANB1789861 and intended for use in maintenance or repair of compatible systems.
OEM flow check piston kit, piston size 0.061 in, MPN B1789861
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