Jabsco head manual pump - POS - SailNet Community
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post #1 of 5 Old 4 Weeks Ago Thread Starter
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Jabsco head manual pump - POS

I replaced my aging head manual pump about 2 years ago. The unit I replaced was a Jabsco, and the new one was a drop-in replacement. It weighed half as much as the old one, cost half as much, but somehow had many more "features"... how could I go wrong? I could have gotten a seal kit for the old one but a) it was more expensive than a new head pump (on sale) and b) it's a gross enough job just replacing the pump. To make a long story short, the new pump is a piece of crap. Within a couple of months the seals on the pump shaft were leaking water by the handle, and last time out a few weeks ago it just stopped working. I could pull the handle up but not push it down no matter what position the valve (wet <--> dry) was in. Should I just buy another one for $99, or do more expensive ones last longer? This kind of sounds like a stupid question, but I know from experience with car mechanics that a lot of the wear parts are common between, say, VW and Audi or even Porsche. You just pay more for the more expensive model but it's built using a lot of the same parts. If I could buy one for $500 that's made with more metal and less plastic so that it will last for 20 years I'd buy it tomorrow. Not looking forward to this job. 8-(
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Re: Jabsco head manual pump - POS

Bet the dry/wet lever has broken the feeble black plastic tit.Replacing this bit may allow operation but it's still junk. O ring on the pump shaft requires veggie oil from the getgo. Can be replaced but it's still junk
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Jabsco head manual pump - POS

Research the Lavac head. No moving parts, just a big ass manual bilge pump. When I got tired of taking apart the head to fix the pump in my previous Jabsco I replaced my boats head with a Lavac and it worked flawlessly for years. We recently replaced it with a composting head - even simpler.


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Re: Jabsco head manual pump - POS

I bet the Wet/Dry leaver was in the middle when you screwed the plate back on and you broke it, or pushed it the wrong side.

Do you read and follow the instructions intimately? Like an Ikea description in build a bicycle?

Jabsco are not a POS.

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Re: Jabsco head manual pump - POS

Once you switch to Raritan your thoughts that the Jabsco are a POS will most likely be confirmed. They were for me anyway. Got tired of changing out the Jabsco seals and pumps. I just never had very good luck with them. Could have been be Operator error with the Jabsco I suppose but I've been very happy with the Raritan. No issues so far.
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