'14 Seneca 37FS Winterize/Sanitize Valve Problems
I am the 2nd owner of a '14 Seneca. The previous owner told me that they had issues winterizing it, using the stated valve positions in the plumbing bay. I, too, have found these to be incorrect for using "country fill" "Winterize/Sanitize lines" and Sanitize Tank. As stated on the valve bank, I'm supposed to turn them to positions 2 & 4 to put sanitizer out to the lines directly. I CANNOT make these positions work. I've tried several different methods of priming the pump, opening the bypasses etc to no avail, I cannot get it to take up anything.
Normal Positions work for pumping from the tank, City Water positions also work correctly. I am also able to use the City Fill Tank in its stated positions.
The only way I can get it to take anything is by gravity-feeding (placing sanitizer in a home-brewing pale with a spigot and suspending it above the fresh water inlet) and using positions 2 & 6 to pump directly to lines and 1 & 6 to pump to fresh tank.
Can anyone recommend what steps I should take for troubleshooting this? It seems that position 4 is completely fubarred.
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