I agree with replacing the pump assembly. I “upgraded” the Jabsco head to a twist lock, rebuild kit was 69.99, complete assembly was 79.00… order a spare Joker as well Four screws a gear clamp and you’re done. No messing around with crusty gaskets and rubber.
http://ca.binnacle.com/p6899/ITT-TWIST-&-LOCK-TOILET-PUMP-ASSEMBLY/product_info.html Tim C&C 33MKII Toronto<http://www.timeanddate.com/worldclock/city.html?n=250> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Dennis C. via CnC-List Sent: Thursday, July 31, 2014 12:46 PM To: Tim Goodyear; CnClist Subject: Re: Stus-List Joker valve war / Head reliability 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://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<mailto: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 ________________________________ This communication is confidential. We only send and receive email on the basis of the terms set out at www.rogers.com/web/content/emailnotice<http://www.rogers.com/web/content/emailnotice> Ce message est confidentiel. Notre transmission et réception de courriels se fait strictement suivant les modalités énoncées dans l’avis publié à www.rogers.com/aviscourriel <http://www.rogers.com/aviscourriel> ________________________________
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