Not filling all the way; Low fill levels.

No matter what water level I have it set on the machine does not fill enough.

When I set it on the low setting I only get around 2 inches of water in the bottom. On the Large Capacity I get maybe about 1/3 of the drum filled.

I have checked the pressure switch hose and tested the pressure switch itself with a multimeter and all seems to check out.

If I detach the pressure hose from the switch after it has filled (decompress the hose) then reconnect it then it will start filling up again.

I am almost certain this points to a faulty pressure switch, however before I go spending the 50 bucks on the switch I was hoping someone more knowledgeable could give me their thoughts.

Just a random thought here…The pressure switch seems to be functioning properly but it’s just too sensitive. Would adding a longer or larger diameter pressure hose change the amount of pressure reaching the switch and allow more water into the tub before the switch trips?