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Pressure Washer AccessoriesPressure Washer Accessories Interpump and other manufacturers accessories for use with our Interpump Pressure Washers and Interpump Pumping Units
Dema Constant Pressure Injectors

Dema Constant Pressure Injectors ideal for adding a soap solution at high pressure. Especially useful in high pressure pump discharge line applications where it is desired to keep pressure loss to a minimum. Suitable for a wide range of flow rates. Built-in check valve to prevent back flow into chemical container. C/w external adjustable screw. Particularly useful for pumps with low output pressure.

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Dema Constant Pressure Injector 75 Lpm (SKU: 2480-202BS)Dema Constant Pressure Injector 75 Lpm (SKU: 2480-202BS)
3/8"F thread ports
1/4" chemical hose barb
Chemical suction hose included
Dema Constant Pressure Injector 170 Lpm (SKU: 2480-203BS)Dema Constant Pressure Injector 170 Lpm (SKU: 2480-203BS)
3/8"F thread ports
1/4" chemical hose barb
Chemical suction hose included
Dema Constant Pressure Injector 250 Lpm (SKU: 2480-204BS)Dema Constant Pressure Injector 250 Lpm (SKU: 2480-204BS)
1/2"F thread ports
1/4" chemical hose barb
Chemical suction hose included
Dema Constant Pressure Injector 350 Lpm (SKU: 2480-206BS)Dema Constant Pressure Injector 350 Lpm (SKU: 2480-206BS)
3/4"F thread ports
1/4" chemical hose barb
Chemical suction hose included