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CAT Pumps 7183 Adjustable Brass Chemical Injector - 3-5 GPM, 3500 PSI, 3/8 x 3/8 x 1/4

Mfr. Model #:
7183 Y21015421
KR Part #:
0.38 lbs
In Stock
Now Only!
Brass body chemical injector with a flow range from 3 to 5 GPM. Use on any standard discharge line. 3500 PSI, 3/8" x 3/8" MNPT inlet and outlet ports, 1/4" hose barb.

Technical Specifications

Inlet Port: 3/8 inch
Max GPM: 5
Max PSI: 3500
Max Temperature: 195 degrees F
Outlet Port: 3/8 inch
Orifice: 2.1

Product Description

3-5 GPM Discharge Line Injector

The CAT Pumps 7183 Chemical Injector is a brass body injector designed to draw chemical only under low pressure. The amount of chemical draw can be changed by turning the adjustment collar completely into the body to stop draw, and approximately 1-1/2 turns counterclockwise for maximum chemical draw. This version is ideal for discharge line installation.

Dimensions: 2" x 1" x 3"


  • 3-5 GPM flow rate range
  • 2.1 mm nozzle orifice
  • 3500 PSI maximum pressure
  • 1/4" barb hose
  • 3/8" MNPT inlet and discharge ports
  • 195° Fahrenheit maximum temperature
  • Weight: .38 lbs.


  • Durable stainless steel orifice for chemical compatibility.
  • Convenient top handle for adjusting chemical draw.
  • Lightweight, compact unit.
  • Optional pump discharge line installation or mount directly to the unloader discharge port.

Product Reviews

Frequently Asked Questions

Question:You state it is 3/8 NPTM on both sides but the picture shows it with an Oring on one side that's what I'm looking for the Oring is on the inlet side - GARY (06/06/2020)
Response:Yes, that is correct.