7109267 Pump AAA 4400 PSI Replacement Triplex Plunger EW Series
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The 7109267 AAA pressure washer pump is a high-quality OEM Italian made high-pressure triplex plunger pump designed for horizontal-shaft, gas-powered pressure washer applications.
Rated at up to 4,400 PSI and 4.0 GPM, this pump is intended as a direct replacement for worn or underperforming industrial pressure washer pumps use in both residential and light industrial applications.
This pump features a 1-inch hollow shaft, brass manifold, and integrated adjustable unloader with built-in chemical injection for on-demand soap application. It is designed for cold water use only and is not intended for hot water pressure washer systems.
7109267 AAA Pump Specifications
- Maximum Pressure: 4,400 PSI
- Maximum Flow Rate: 4.0 GPM
- Pump Type: Triplex plunger pump
- Mounting Orientation: Horizontal
- Shaft Type: 1-inch hollow shaft
- Engine Flange: SAE gas engine flange
- Inlet Connection: 1/2 inch FPT garden hose inlet
- Outlet Connection: 3/8 inch MPT with brass quick connect
- Pressure Adjustment Range: 500–4,400 PSI
- Chemical Injection: Integrated chemical injector
- Unloader Valve: Built-in adjustable unloader
- Thermal Protection: Pre-installed thermal relief valve
- Oil Capacity: 12.4 oz
- Recommended Oil: 15W-40
- Maximum Water Temperature: 140°F
7109267 AAA Pump Features
- High-pressure industrial triplex plunger pump design.
- Designed for horizontal-shaft gas engine applications.
- Integrated adjustable unloader for pressure regulation.
- Built-in chemical injector for detergent application.
- Pre-installed thermal relief valve for pump protection.
- Brass manifold construction for durability.
- 5-year warranty against defects in material and workmanship.
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Service Notes
This pump is intended for cold water applications only and should not be used in hot water pressure washer systems. Always verify maximum engine horsepower and pump compatibility before installation.
Some pumps were mislabeled from the factory, where DW3635 or 7112736 series pumps were marked as 7109267. Verify the pump model and configuration before ordering replacement parts.
Certain units were equipped with alternate unloader assemblies. Refer to original pump configuration or manufacturer documentation to ensure correct replacement components.
Some belt drive units were incorrectly labeled with the 7109267 part number. Belt drive systems require pump model 7104757 instead.
Replaces Previous Pump Models
- AAA 9.6GA1C Triplex Plunger Pump
- AAA 9.6GA15C Triplex Plunger Pump
- AAA 7104820 Triplex Plunger Pump
- Comet ZWD 4042G
- Comet ZWD-K4042GVR
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