If you're thinking of starting your own pressure washing business, check out this link:
https://www.learndesk.us/class/636774...

How to build your own DIY Automated Downstream Injector Box for your pressure washing rig. Detailed wiring diagram and instructions to do it yourself.

These Amazon links may not be correct so be sure to check all the parameters before you buy. I've found that some sellers may run out and not resupply with same items.

Click here for more information on starting your own pressure washing business: https://academy.neptuneclean.com/

4Pack 6 LED Amber Strobe Lights: https://www.amazon.com/dp/B0817T6C6H/...

QOFOWIN Wireless Remote Switch: https://www.amazon.com/dp/B082VCWVJ7/...

HiLetgo Latching Pushbutton Switch: https://www.amazon.com/dp/B078SPCPJN/...

Motorized Ball Valve 1/4" Stainless Steel : (Check to make sure it's 1/4") https://www.amazon.com/dp/B06XW8MSTX/...