Chapin 6-1866 Premier Epoxy Zinc Coated Shut-Off Replacement part for chapin sprayers Coated metal shut-off assembly Fits chapin sprayers: 1180, 1253, 1280, 1380, 1449, 1480, 1739, 1831, 1941, 21220, 21230, 21240, 21250, 6300