55 gallon drum sprayer

[ugabulldog]

Does the top screw off this sprayer?

 

[HarryN]

Don't think so. Only the bung hole screws come out.

 

[calman93611]

By the looks of the plumbing, it looks like the hose going into the drum is the bypass, there should be another loose hose from the pump that goes into the drum, the other end is the one you have pictured, should have the pressure regulating valve, pressure gauge, return hose and hose going to spray wand or spray boom.