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Old 02-03-2012
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Marine head foot print Par, jabsco, Raritan

Do all of the marine Heads. Par, Jabsco, Raritan.(bowls) have the same footprint? Will the 4 bolt holes line up? Can I use a Pat or a Jabsco bowl on a Raritan head?
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Quote:
Originally Posted by hooligan6a View Post
Do all of the marine Heads. Par, Jabsco, Raritan.(bowls) have the same footprint? Will the 4 bolt holes line up? Can I use a Pat or a Jabsco bowl on a Raritan head?
No. The footprints are not the same, and I seriously doubt the bowls would be interchangeable.

My boat has a Jabsco that's due for a pump rebuild (leaks). I'm contemplating replacing it with a Raritan PHC. I expect to have holes to fill for the base mount as well as extend the seawater intake hose and likely replace the outlet hose to the holding tank in order to fit a different model head.

If anyone has installed a Raritan PHC that could offer an opinion on the model I'd love to hear about it. The PHC seem to be a no frill version of the PHII with a slightly smaller foot print. One complaint with my Jabsco is a tiny round bowl. I'd prefer a household sized bowl but would like to know the approximate dimensions of Raritains "standard marine bowl" before making a purchase decsion.
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Old 02-03-2012
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I replaced the Raritan II with a Jabsco, No, the 4 hole mounting patten is slightly off. The hoses were in about the same place so I did not have to change/replace these. Bowl size was about the same, as it fit the same spot, not gonna fit a household size bowl in my head....
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I replaced a Jabsco with a PHC in a 270, talk about your cramped heads. Footprints are similar but not a single one of the bolt holes lined up. Some Marinetex made them fairly unnoticeable. I really prefer the pumps on the Raritans over the Jabsco's.
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Old 02-03-2012
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It doesn't cost much more to just buy a replacement Jabsco pump, than the rebuild kit.

It's a pretty easy install...
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Old 02-04-2012
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It doesn't cost much more to just buy a replacement Jabsco pump, than the rebuild kit.

It's a pretty easy install...
Right but its only another 1/2 a boat buck jump to replace the whole thing and hopefully get a larger bowl in the bargain.
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Old 10-30-2012
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Re: Marine head foot print Par, jabsco, Raritan

I'm planning a head replacement and have a dumb question. The head bolts to a raised fiberglass platform a few inches above the hull. Are the bolts threaded into the glass or is there a nut under there? There is no way at all to get access to the under side if there are nuts there. Am I missing something?
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Old 10-31-2012
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Re: Marine head foot print Par, jabsco, Raritan

There is usually a piece of wood glassed to the underside of the raised area and the base is lag bolted down.
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Re: Marine head foot print Par, jabsco, Raritan

I understand there is a Raritan package the has the base and pump, PHC, that lets you reuse the Jabsco bowl. So far I've heard the Raritan pump is bulletproof. In the 10 years I own the Jabsco head, I've replaced at least 4-5 joker valves and lower flapper valve and 2 pump assembly.
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Re: Marine head foot print Par, jabsco, Raritan

Quote:
Originally Posted by hooligan6a View Post
Do all of the marine Heads. Par, Jabsco, Raritan.(bowls) have the same footprint? Will the 4 bolt holes line up? Can I use a Pat or a Jabsco bowl on a Raritan head?
The bolt holes for the various models of heads rarely match. The easiest fix for this if one is changing models is to make up an adapter plate. A 3/4" adapter plate of starboard is quite adequate but not so thick as to make the use of the head unduly inconvenient. One simply drills bolt holes in the plate to match the old bolt pattern by which it is held down and sets countersunk flat head machine screws through the bottom of the plate upwards, locked in place with countersunk nuts in the top of the plate, that act as studs for the new base. Slightly over sized cut washers and a lock-nut on the studs once the new base is set in place will hold the new head quite nicely. One can use material other than starboard for the adapter plate but given that it is impermeable, not subject to rot, and easy to work with makes it a good choice.

FWIW...
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