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Rebuild kit for the black Mebner 1-1/4″ vacuum valve on Promarks chamber vacuum machines built before 2008. The vacuum valve lets air out of the chamber during the vacuum cycle, before the pouch is sealed, so rebuilding it keeps the vacuum cycle working properly.
Compatibility: Promarks chamber vacuum machines made before 2008, including SC-680, SC-800, DC-530, DC-640, DC-650 and DC-800 (DC-800 depends on valve diameter).