11-04-2012, 08:59 PM
I have a Vacuflush system on my 36' and have the same problem. Everyone I know with a Vacuflush system has the problem. As soon as the unit ages it gets a minor vacuum leak and triggers the switch and cycles on. It's the poorest switch design you could imagine and expensive to fix. I solved the problem by running a # 12 AWG line from the Vacuflush breaker to a new switch in the head and then back to the breaker. This in effect puts the switch in series with the breaker which I leave on. Then to use the Vacuflush you just turn on the switch in the head and turn it off when finished. Works like a charm. Over the last 10 years I have talked to many reps in the Vacuflush booth at the boat shows and they don't think they have a problem. The Vacuflush system should be on one breaker on your DC power panel. It should not be connected directly to the batteries. Only your bilge pumps and smoke / CO detectors should be connected to the batteries when the main disconnect switch is off. For odor control I use that West Marine green stuff. Works great. No complaints from the wife with a super sensitive nose. Just never flush with salt water or it will really stink. Capt. George
