Valve Repair Kit Product Type Valve Repair Kit Material Rubber Steel Compatible with Series 1-975XL 1-975XL2 34-975XL 34-975XL2 Operating Temperature - Maximum 180 Degrees F Operating Temperature - Minimum 33 Degrees F Includes #1 O-Ring Relief Valve Stem #2 Check Spring Relief Valve Spring Diaphragm O-Ring Cover Relief Valve Seal Ring Seal Ring Compatible with Manufacturer Model Number 975XL 975XL2 Compatible with Grainger Part Number 45K852 45K853 6AVX4 6AVX5