Heads, again

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Izablue2	Heads, again		Lead	[-]
Posts: 124 10/15/07 10:39:02	Tags : None I know this topic is a recurring one but I would like some imput from those out there that maybe a bit more knowledgable. I have a 3 cabin and the year old Jabsco head in the forward head and , like other I have read about it is "black flushing" waste back into the bowel after flushing. Replacing the joker valve is only temporaty and my forward vent line is clear. I just think the the design is very poor. The rising elevation of the 1 1/2" wast line creates too much head pressure for the joker valve to handle. Now here's my question. I was at Lowes this morning and spotted a very simple back flow preventer for sump pumps. Size is 1 1/2". Could this be install in the waste line to the holding tank? Has anyone tried this to solve this problem? You imput and comment are welcome! Thanks Mark "Izablue" #835/3
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Doug Boyd		#1	[url]	[-]
Posts: 33 10/15/07 16:44:15	I suspect not. The issue could be one of the small flapper valve in that checkvalve is susceptible to clogging with some of the fun stuff from the head. My own experience is that the Jabsco heads are literally consumables--priced such that I've replaced the head before I'd bother with a rebuild. I did that twice, then changed to a Raritan for a significant upgrade in performance, with only a minor cost increase. I'm so far quite happy with the Raritan, recommended by the celebrated Peggie Hall (google her with "headmistress", then buy her book--it is excellent and validated by everyone I know and my own lurid experiences with boat plumbing). The Raritan's pump cylinder has twice the volume per stroke of the Jabsco, seems to keep the lines clearer due to more agressive flow. Cheers, Doug & Peggy, 'Miracles' #418, 2-Cbn Pullman, Wing Keel Baltimore
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Izablue2		#2	[url]	[-]
Posts: 124 10/15/07 18:12:35	Doug, Thanks for the imput. I will look into the Raritan. That might be the better choice... and I'll google Peggy Hall! Thanks again Mark "Izablue" Dana Point
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hgamsby		#3	[url]	[-]
Posts: 55 10/16/07 09:55:44	Does anyone know if the Raritan PHII manual Head fits in the same space occupied by the WC Head in the Pullman layout Henry Gamsby Kira #916
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donpaget		#4	[url]	[-]
Posts: 25 10/16/07 10:32:10	I was wondering if the problem is that the discharge is very close to the intake of the raw water inlet. This of course assumes that you are not using the holding tank. Don Cat950
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garrywillis		#5	[url]	[-]
Posts: 292 10/16/07 11:10:34 Moderator	Henry, I can confirm that the Raritan PHII will fit in the fwd head. I ordered my boat without the Jabsco heads and installed the Raritans in both heads. Let me know if you need a jpeg of it. Garry "Breezn" #502 2-Cabin
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azure42		#6	[url]	[-]
Posts: 330 10/16/07 14:58:15	To follow up on this -- does anyone know if the switch from Jabsco heads to Raritans is a bolt-off-bolt-on operation? I'm interested in the PHll or Raritan's new PHC model for replacements. http://www.defender.com/product.jsp?path=-1\|51\|806\|315136\|828741&id=844126 Thanks, Rod Williams Azure' #343, 2-cabin fin Alameda/San Francisco Bay, CA. Last Edited By: azure42 10/16/07 15:02:28. Edited 3 times.
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Doug Boyd		#7	[url]	[-]
Posts: 33 10/16/07 16:32:00	Rod, As I recall, it was in fact a drop-in swap, or so close to one that it required no new drilling. I think the only challenge was that the hoses terminate in different positions and I had to lengthen an intake hose to accommodate. I didn't mind as I'm going through the onerous and expensive process of replacing all hoses to ensure no stink returns. I'm still very enthused by the more substantial feel to the Raritan. We bought the electric version, converted it to manual on an extended cruise, to save power, and haven't reverted back to electric--the manual action is quite respectable and pleasant. I'm pretty comfortable recommending as a worthwhile upgrade. Cheers, Doug & Peggy, 'Miracles' #418, 2-Cbn Pullman, Wing Keel Baltimore
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azure42		#8	[url]	[-]
Posts: 330 10/17/07 05:16:41	Thanks for the info, Doug. My experience has been similar to yours -- the Jabscos aren't worth the cost, time and, most of all, the fun of rebuilding. We've treated them as consumables too, but we've stayed with Jabsco-for-Jabsco exchanges. Next time I'll take your recommendation for the Raritans. Rod Williams Azure' #343, 2-cabin fin Alameda/San Francisco Bay, CA.
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ajchan		#9	[url]	[-]
Posts: 166 10/17/07 07:29:21	I am definitely in the camp of treating the Jabscos as consumables. I changed mine mid season last year and they have survived a full season this year, but I can already start to see issues popping up. I'm hoping for at least another couple of seasons, but for the price, I'd rather rip and replace, than to try repairing or rebuilding. How long should a Jabsco last? We live aboard 3-4 days out of the week from June - Septemeber? Thanks Addison Threepenny Opera 1999 C-42 MK II, 2CP Wing #640 http://the-voyages-of-threepenny-opera.blogspot.com/
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Doug Boyd	1.5 seasons for a Jabsco is better than my experience	#10	[url]	[-]
Posts: 33 10/18/07 21:34:46	Hi Addison--I think you've done way better than I. I finally quit on Jabsco heads when I was barely six months into my last new one when it started failing. Like you, we spend three or four days a week aboard, from May to October (maybe New Years this year--the weather is bizarre in our neighborhood). Still feeling satisfied with the Raritan upgrade, six months into it. Hoping to feel smug by Xmas. Cheers, Doug & Peggy, 'Miracles' #418, 2-Cbn Pullman, Wing Keel Baltimore
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kenfischer		#11	[url]	[-]
Posts: 181 10/20/07 07:02:10 Moderator	For what it's worth, the Jabsco is standard in our charter boat fleet. We replaced the factory Wilcox models with the Jabsco to be common (they didn't last either). The Jabsco pumps are cheap to replace and readily available. We've had the forward in for two seasons and the aft in for one. Still working. The heads are used about 12 weeks per year with little care or maintenance. Your mileage may vary. I have a used Wilcox available on the Swap Meet section of this list if anyone is interested. Make offer. Ken Fischer 2005 C42 #906 "Solaria" 3 Cabin Pullman, Fin Keel, Mast Furling Main, 155% Genoa
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sailordan2		#12	[url]	[-]
Posts: 25 02/12/08 20:47:50	Well it only took a couple of months following my purchase of my '94 C42 Pullman configuration C42 Mark I in October before I ran into the problem with head odor and my Jabsco Foreward Head valves going out. You would think the surveyor would have forseen this problem, but that is how it goes. So I've been looking at all the threads on Heads to see how to solve my problem, and as a group, a lot of us have had this problem. I've read that the Raritan appears to be a good, reliable replacement and it will drop fit in place of the Jabsco. So here is my question, will it drop fit into the Mark I and which of the Raritan models was used? Thanks for all the other tips as well, hose types and maintenance tips, etc. Sailor Dan SV Lydia Grace C42 #429
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dbnonsense	heads again	#13	[url]	[-]
Posts: 140 02/13/08 06:58:14	We are fans of the Jabsco.we have had only jabsco since 1988, thats 29 years. they function well the price is right if should have to replace the entire unit which we never had to do.parts are available at allmost any marine supply house and some RV stores. I wouldn't want to need a part and be told the have to order it. I rebuild every two years with a kit I usualy buy from Defender at just a little over 1/2 price over West Marine price . about the only thing you have to watch when rebuilding or servicing is not to over torque the screws when reassembling, I keep a kit on hand in my parts dept.By the way I have never had a clog in the head itself, in the macerator pump but not in the head. As for odor , it is not the head but the venting , hoses, water quality, and the the head additive. We use Odorless available at West,and any RV store at about 1/2 west's price, we use fresh water to flush except when offshore. there are volumes written about odor control on the web.so I can't go into that here. Think SIMPLE and stay away from exotic soultions. Dave Common Sense #810
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nickwigen	Replacing Jabsco with Raritan Ph II	#14	[url]	[-]
Posts: 224 02/13/08 15:07:38	I don't think it's a drop-in. We are consdering replacing the forward Jabsco with the Raritan and it will require extending the shelf the head sits on. Here is a link to the Ph II manual. Page 4 has the dimensions. http://www.raritaneng.com/pdf_files/ph_II/L04v0505.pdf Measuring the existing space leaves it about 2" too small. At about 10 years both our heads needed rebuilding. I used a rebuild kit that came with the boat and got another year out of it before the pump shaft started leaking. Kits were $50.00 and did not include a seal for the pump shaft. Boaters World had new heads on sale for $99.00 at the time so I replaced both. Easier than a rebuild. Nick Wigen Ursa Minor #178 FK, 3-Cabin Portland, Oregon
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countferrari	New Head?	#15	[url]	[-]
Posts: 97 02/15/08 21:05:16	I have rebuilt my Jabsco electric and got it working but will convert to the Raritan next time it coughs for the forward head. That is connected to the Electra San system which works flawlessly and is a great system for it allows us to cruise without using a holding tank. In the aft head, I replaced it with a Groco manual and that is truly a fine head. The horizontal pumping action is easier than the vertical pump actions and moves a bunch of water so EASILY. Get one of these and you will love it! S/V Jah Mon,1994, Mark I,Hull #428,Two Cabin,Fin Keel,Anacortes, WA,Puget Sound PHRF 122
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vela42		#16	[url]	[-]
Posts: 48 02/18/08 16:59:36	my jabsco was nothing but a headache,,, I now have a manual Raritan PH11 and have never had a problem. In my aft head i have a lavac, it is the most simple and problem free head I have ever used. If it is in your budget I recommend throwing the jabsco away. http://www.lavac.com/ http://www.raritaneng.com/products/toilets/manual/ph_2.html
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capt Bear	vacu flush	#17	[url]	[-]
Posts: 32 02/24/08 17:24:18	when I bought my boat, this year I told Catalina to keep the heads, I got a whoppin 147.00 off the price of my boat, that told me something right away. I had also read on the forum before had and knew the heads where an issue, so skip factory mess, and went Vacu flush installed by my marina. I love them, and no intake of raw water thats key to me....plus they are a little taller than the jabsco factory heards, so its much easier to set down, and get up. So if you can afford it, I think its worth the extra money for peace of mind. I have read that here as well as talk a lady at the Annapolis boat show, she had them on her boat and loved them. well thats my two cents. Barry Surprise #998 3-cabin Pullman w/k
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