You can loosen the access port on top of the tank and run the pump to see if it is the vent.
Joel Aronson On Aug 7, 2012, at 1:41 PM, Martin DeYoung <[email protected]> wrote: > Did you check the tank's vent? Sometimes little critters make a mud nest in > the vent. > > It is conceivable that a blocked vent would limit the amount of flow out of a > full tank. > > Martin > Calypso > 1971 C&C 43 > Seattle > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Walt Dickie > Sent: Tuesday, August 07, 2012 10:15 AM > To: C&C list ([email protected]) > Subject: Stus-List Water pressure problem > > My C&C 110 has two water tanks, one under the port settee and one in the > v-berth. A valve under the sink in the galley allows me to turn the supply > from each tank on and off, but with the exception of the 6" or 8" of tubing > exposed at the valves almost all of the rest of the plumbing for the system > is really difficult to get at. The outlets at the tanks themselves are at the > base of the tanks and are completely inaccessible with the tanks in place. > > At the beginning of the season no water would flow from the port tank using > either the pressure system or the foot pump, which seems to be connected > directly to the tank or its outlet line. I didn't care too much about this > since we don't usually use much onboard water and the forward tank seemed to > be working fine. But since I couldn't easily drain the part tank, I left the > water in it. > > Yesterday out of idle curiosity I turned on the port tank, turned off the > forward one, and used the foot pump. Water unexpectedly gushed out. When I > turned on the pressure system it came on and ran continuously, which it > doesn't do when getting supplied from the forward tank, and although water > now comes out of the tap the flow is feeble. The flow from the foot pump > seems normal. > > It feels as though there was some kind of blockage in the supply line from > the port tank and that the blockage has somehow been reduced. I drained the > port tank today while I could, but now I'm wondering about a fix -- some what > to clear the "blockage," if that's what it is. I don't want to rip the water > tanks out to get to the supply lines, but it seems like it would be worth > some effort to clear them. I've never dealt with the boat's plumbing system > before so I'm clueless. Suggestions? > > Walt Dickie > C&C 110, Hull #97 > DuSable Harbor, Chicago > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com [email protected]
