Suggested Retail:$54. CAT PUMPS 20 in. 4500-PSI Hot Water Pressure Washer Trigger Gun. The Cat 20 in. 4,500-PSI Hot-Water Trigger Gun is the perfect replacement trigger gun for any professional pressure washer. This trigger gun can be used with hot or cold water pressure washers and is rated for temperatures up to 250 degrees Fahrenheit. With overmolded grips and a right or left mounted assist handle, it was designed for optimal user comfort and control. The Cat Trigger Gun is impact-resistant and comes equipped with a 3/8 in. quick-connect coupler, providing the durability and functionality needed on the jobsite.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.