I've had a Jabsco for 14 years. 3-4 years ago, I put the Twist and Lock pump assembly on it. Other than the joker valve scaling up, it has worked well.
FWI, regardless of brand of head, my advice to all is to consider replacing the entire pump assembly rather than rebuilding an existing one. For most manual heads, the cost differential isn't great but you get better results. You don't know if the old pump cylinder is scored or if other parts not included in the rebuild kit are OK. Plus, it's quicker and easier to replace the pump assembly than to install a rebuild kit. For instance, a pump assembly for the Jabsco is $82 on amazon.com ( http://www.amazon.com/Jabsco-29040-3000-Marine-Manual-Assembly/dp/B001794BS0). A rebuild kit is $57 ( http://www.amazon.com/Jabsco-29045-2000-Marine-Manual-Service/dp/B000O8D38E ). Is 30-45 minutes of your time worth $25 and the risk of a botched rebuild? Dennis C. Touche' 35-1 #83 Mandeville, LA On Thu, Jul 31, 2014 at 10:35 AM, Tim Goodyear <timg...@gmail.com> wrote: > Rebuilding heads seems to be a popular activity at this time of year; I > replaced all valves in my Headmate head last weekend. It's not a bad job, > but I always remember why I bought the stubby Phillips #2 screwdriver when > I do it. The previous weekend I dumped four gallons of vinegar into the > system to clear scale off. It worked for the joker valve, but I was still > having issues with the pump losing prime and not drying easily without > holding the valve leaver down. Once apart, it was pretty obvious why - the > metal backing washer from one of the inlet valve had corroded off the > rubber piece, and while I was there I just changed all the parts that were > in the service kit. > > Joker valves seem to be common across head designs, and a necessary evil, > but I am fed up with having to rebuild the pump on the Headmate once or > twice a year, so am planning to replace it this winter. Can anyone share > experiences with their heads (ours gets very light use, strictly no > solids)? I am considering the Jabsco Twist n Lock or the Raritan PHC. > > Thanks, > > Tim > > >> >> >
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