The 350CK1 Repair Kit is compatible 2 1/2", 3", and 4" sizes. The repair kit comes with Seat Retainer #1, O-ring Check, Bolt Poppet Retainer, Handle #1 Poppet Assembly, Washer Poppet Bolt, O-ring Poppet Bolt, Poppet Retainer, Seal Ring, and Seat Assembly #1 Poppet.

• Second Check Assembly Repair Kit
• Fits 2-1/2", 3" and 4" Models 350A/350ADA and 4" Models 350/350DA/450/450DA
• Includes #1 check assembly, retainer and lubricant
• Accessories allow for speedy repairs
• 1-year limited warranty