7112778AAA Trigger Gun AAA 4500 PSI MAX M22 Male Rear Hose Connection

In stock
Part Number
7112778AAA
$40.65
Part Number: 7112778AAA
Compatible Brands: AAA, DeWalt, Simpson, Stanley
Shipping Weight: 5 Lbs

7112778 AAA Pressure Washer Trigger Spray Gun with 22MM Rear Entry 4500 PSI, 6.6 GPM OEM FNA Group replacement trigger with a 22MM spinning connector with O-ring.

The 7112778 AAA Pressure Washer Spray Trigger OR 452 Series Gun features:

  • 4500 Man PSI
  • 8.0 Max GPM
  • Max temperature of 140° degrees F
  • Model OR 452 22MM Replacement
  • Max 310 BAR
  • MAX 30/MIN
  • MAX 140F


This 7112778AAA Triger guns was used on the following partial list of brands of Pressure washers.

Simspon Cold Water Pressure Washers
DeWalt Cold Water Pressure Washers
Stanely Cold Water Pressure Washers
Cub Cadet Cold Water Pressure Washers
Delco Cold Water Pressure Washers
Black and Decker Cold Water Pressure Washers


Service Note Caution:

Always ensure the replacement pressure washer spray trigger gun you are ordering for use with your current pressure washer is rated for a pressure equal to or exceeding your pressure washer’s maximum pressure output.
Using a trigger gun with a lower pressure rating can lead to damage to the trigger spray gun and equipment, cause potential injury, and void the manufacturer’s warranties.

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