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T O P I C    R E V I E W
blanik Posted - 06/11/2019 : 17:09:40
I'm having a dilemma, my Whale Flipper pumps are all crapped out and leaking and i'm tired of them, i still use the water tank for dishes rinsing in the galley and hand washing in the bathroom so removing the water system like a lot of people here did is not an option but i'm hesitating between buying new flipper pumps or an electrical system with those small RV pumps with a faucet and switch, anyone here converted to electrical pumps? (foot pumps are cool but i think they would be more annoying than anything else in our small boats)
6   L A T E S T    R E P L I E S    (Newest First)
Stinkpotter Posted - 06/15/2019 : 06:03:08
I'm not sure how a switched pump makes things simpler... A demand-pressure pump turns itself on when the pressure drops (faucet opens) and is wired to a circuit on your panel--no separate switch to install. Mine is on a panel circuit just for the pump, so it can be "enabled and disabled" from the panel as needed. If you buy an ordinary bathroom faucet like I have (which is all you need), just be sure to cap off the hot water feed tube--if you don't and the hot water side is ever left on, when you turn on the cold, some of the water goes though the faucet to the hot tube and ends up in the cabinet below the sink. Don't ask how I know this...
sethp001 Posted - 06/14/2019 : 13:01:04
quote:
Originally posted by blanik

I was not looking for a pressurized system, just a "switch the pump on-off with no permanent pressure" kind of system...



You could accomplish that by dropping a cheap bilge pump in the fresh water tank. That's what the PO did to my boat. He also kept the flipper faucets, but gutted them.

(I've since taken it all out and upgraded the water system.)
blanik Posted - 06/12/2019 : 12:05:49
Thanks for the tips! I was not looking for a pressurized system, just a "switch the pump on-off with no permanent pressure" kind of system... my drinking water is always from reusable bottles so it's really only for washing hands and rinsing the dishes, i fill the tank up once every 4-6 weeks, it's just annoying to wash hands with a flipper pump #128516; (and the electric pumps are cheaper than a new Whale Flipper) a friend invited me to check his C25, he bought it with a foot pump under the companionway step, he says it's a no brainer, i'll give it a look this week
Lee Panza Posted - 06/12/2019 : 10:52:11
I, too, would encourage you to install a freshwater pump if you spend much time aboard other than actually sailing. But I'd offer a caveat, based on my own experience: use a pump specifically designed for marine use. I made the mistake of using a pump meant for RV use, and it didn't survive very long in the humid space under the settee (I can't keep the bilge areas dry, but that's another matter). I replaced it with a Shurflow Aqua King II and I've been quite satisfied with it. Also, I agree with keeping at least one manual pump: when (not if) the electric pump fails I don't want to be stuck without a way to access my freshwater - I need it for drinking when I'm away from a marina.
islander Posted - 06/12/2019 : 04:14:29
When I pressurized my water I followed the KISS rule. One pump that serves all outlets and one electrical connection. The existing reinforced 1/2" hose is more than capable to be pressurized. I used a small PAR Max 1.9 on demand pump.You don't need anything more and could probably go a little smaller. I cut the hose that comes out of the tank in the battery compartment and mounted the pump on the divider wall. Then hooked up the electrical to the fused panel behind the sink so it has own fuse and a switch. Then I changed out the flippers for standard faucets. I also put a tee fitting in the hose that runs to the galley and ran a hose aft through the dumpster for a shower. Simple. Honestly this was an easy project. The hardest part is making cover plates for the large holes where the flipper pumps were.


Leon Sisson Posted - 06/11/2019 : 21:10:57
I converted my 1979 Catalina 25 to a pump-on-demand electric pressure water system. I'm generally quite pleased with the convenience.

A few caveats:
  • Cost, obviously.
  • Use pressure-rated hose and quality hose clamps.
  • Be sure to include a pressure accumulator; feel free to design your own.
  • I keep my pump switched off unless I expect to draw water soon.
  • Even the slightest leak will drain your tank quickly if the pump is left on, thus keeping the system (and the leak) pressurized.
  • Speaking of which, even switching off when not in use, the larger the accumulator, the quicker a leak will empty the tank.
  • I knew my pump would be noisy when running, so I made an effort to muffle it when installing. It's good to be able to tell when it's running, but not that loud hum like plugging in to an already powered amp.
  • The convenience of pressure water can encourage water wasting habits from home, such as excessive rinsing, leaving the water running while brushing teeth. (I've seen it!)
  • Inability to get water out of the tank without the pump working. Consider leaving at least one manual pump faucet installed.
I tried one of the oh-so-clever dual function sink faucets. Turn for pressure water, pump up and down for manual delivery with pump off. The shutoff valve leaked right out of the box. Emptied one of my tanks in a few hours after I forgot to switch it off when leaving the boat. I ended up replacing it with a basic 1950's household sink faucet from a hardware store in Marsh Harbour.

— Leon

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