Valve Repair Kit Product Type Valve Repair Kit Material Rubber Compatible with Series 212-375 212-375A 212-375AST 212-375ASTOSY 3-375 3-375A 3-375AST 3-375ASTOSY 4-375 4-375A 4-375AST 4-375ASTOSY 6-375 6-375A 6-375AST 6-375ASTOSY Operating Temperature - Maximum 140 Degrees F Operating Temperature - Minimum 33 Degrees F Includes Diaphragm O-Rings Seal Ring Spring Compatible with Manufacturer Model Number 375 375A 475