Valve Repair Kit Product Type Valve Repair Kit Includes Diaphragm Large O-Rings O-Ring Sensing Line O-Ring Spring Retainer O-Ring Stem O-Ring Stem Guide Seal Ring Small O-Rings Compatible with Series 212-975 3-975 Material Rubber Operating Temperature - Maximum 180 Degrees F Operating Temperature - Minimum 33 Degrees F Compatible with Manufacturer Model Number 975