pump for head won't pump out - SailNet Community

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  #1  
Old 05-29-2013
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pump for head won't pump out

The boats head has a hose to the holding tank, the tank then has a drain hose going to a " Y" valve, one side goes to a deck fitting for pump out, the other goes to a Jabsco macerating pump which vents out the through hull fitting to the ocean. The Y valve is turned correctly to pump out the tank but it can,t seem to pump out. Wondering if the pump isn't strong enough ? I dropped the pump down lower but it barely pumps any water out. There is a vent loop on this side also which makes it harder to pump up and out I guess. So after all my work am I screwed? Lol
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Old 05-29-2013
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Re: pump for head won't pump out

The Y-valve is probably broken. It was on my Pearson 28-2 when I purchased it.

You can test this by replacing the Y-valve temporarily with a 1.5" barbed splice. That is a couple of dollars vs $50ish for a new Y-valve. I didn't have a splice handy when I figured this out, but was able to hack it using duct tape to splice the two lines, then pump it out. Obviously that is not a good long term solution.
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Re: pump for head won't pump out

[B]HThanks for the reply, The Y valve is brand new, , everything is new actually, I can blow back through the hose( only water has passed though it so far so its clean) so its not blocked. the pump gets water up to it then cannot pump out, about 4 feet of 1 1/2 inch hose to pump then one inch out of pump to 1 1/2 again through vent loop and out.
[/Bhttp://s1351.photobucket.com/user/Sawltydan/media/null_zpse122f4de.jpg.html?sort=3&o=0http://s1351.photobucket.com/user/Sawltydan/media/null_zpsbedec434.jpg.html?sort=3&o=1
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Re: pump for head won't pump out

Here';s some pics of what i have fpr the pump set uphttp://s1351.photobucket.com/user/Sawltydan/media/null_zpsbedec434.jpg.html?sort=3&o=1
Sailing Photo by Sawltydan | Photobucket
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Re: pump for head won't pump out

Having you tried another pump? They do break, and when one is clogged it behaves as you are describing. My marina has 3 or 4 of them.

At my old slip I'd have to go to the next marina (about 2 miles away) if the first one had a broken pump.
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Re: pump for head won't pump out

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Originally Posted by Alex W View Post
Having you tried another pump? They do break, and when one is clogged it behaves as you are describing. My marina has 3 or 4 of them.

At my old slip I'd have to go to the next marina (about 2 miles away) if the first one had a broken pump.
If it id broken ill be mad, its brand new , never used until today lol, ill take it out and test it with a bucket of water to make sure it pumps
Thanks
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Re: pump for head won't pump out

Wait, is the pump that is failing the one to your macerator pump, or the one for the dockside pump-out?

I've never tested my macerator pump, it would take me 2 long days of sailing to even get to waters where it is legal for me to do so.
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Re: pump for head won't pump out

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Originally Posted by Alex W View Post
Wait, is the pump that is failing the one to your macerator pump, or the one for the dockside pump-out?

I've never tested my macerator pump, it would take me 2 long days of sailing to even get to waters where it is legal for me to do so.
The pump Im using is a Jabsco macerating pump, only pump im using, plumbing is Head to tank, tank out to Y valve, Y valve either straight to deck fitting for dockside pump out ( no pump involved on boat) or Y valve to jabsco pump to anti-siphone vent to through hull fitting.
Sailing Photo by Sawltydan | Photobucket

Sailing Photo by Sawltydan | Photobucket

Sailing Photo by Sawltydan | Photobucket
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Re: pump for head won't pump out

Sorry, I can't help you with that. I have no experience with macerating pumps.

Note that it is illegal to use them in coastal waters in the US. It looks like you are located in Mass.
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Re: pump for head won't pump out

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Originally Posted by Alex W View Post
Sorry, I can't help you with that. I have no experience with macerating pumps.

Note that it is illegal to use them in coastal waters in the US. It looks like you are located in Mass.
yes you have to be outside the limit (3 miles) before it can be used, I have a holding tank and deck pump-out fitting for inside the limit with a locking Y valve, Thanks
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