Pressure Washer FAQs

Pressure Washer FAQs

World leader in Triplex Reciprocationg High Pressure Pumps & Systems

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Chemical Injector Question(s)

Why isnt the chemical injector drawing any chemical?

A chemical injector uses a small spring and ball under the hose barb as a check valve to control the chemical in and water from coming out.   When you pump is producing high pressure the check valves closes preventing water from flowing out, the your pump is under low pressure a venturi affect( vacuum)  takes and opens the check valves and drawing in the chemical. Things that prevent the chemical draw are:
  • Having too large of a nozzle resulting in low pressure
  • Having too long of a discharge hose (usually over 100 ft) creating too much back pressure
  • Injector check valve stuck - be sure to clean with fresh water before storing.

 

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