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Having re commissioned our boat a few weeks ago I have noticed that there is a regular blip from the water pump for no apparent reason.
I have checked the accumulator pressure and seems ok at about 40. The pump runs fine when the taps and shower are on but when all is turned off the pump comes on for less than a second every 20 seconds or so . No water comes out of the Taps on these occasions. When I leave the boat with the water off and come back an hour or so later the pump runs for about 30 seconds before the system is primed.
I assume I have a small leak somewhere but all visible connections and pipework are dry .
Before I start ripping things apart does anyone have any suggestions or ideas that may help .
I had exactly the same problem a few years ago, sure enough after living with it for a few months and having to turn off the water at night I found a small leak on a tap connector, ptfe on the joint and tighten up that was the problem sorted, start looking
I had a similar experience. It was due to a hairline crack in the pump seal between between two parts of the moulding. A smear of bathroom sealant cured it. I also came across a similar issue but in this case the pump would only prime when the tank was full. Hairline crack in the body, same cure. Possibly frost damage in both cases
"There is nothing - absolutely nothing- half so much worth doing as simply messing about in boats" Ratty in Wind in the Willows