-list@cnc-list.com
Subject: Stus-List Bilge pump siphon
Hi. I have a 34+ and had an unusual thing happen this morning while at
anchor. I woke to the sound of my electric bilge pump cycling on and off.
The bilge was full of water. I turned the pump on to drain the bilge and it
filled up again once
to this.
Joe Della Barba
Coquina
CC 35 MK I
-Original Message-
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Kim Brown
Sent: Tuesday, August 13, 2013 7:34 AM
To: cnc-list@cnc-list.com
Subject: Stus-List Bilge pump siphon
Steven,
Had a similar problem with my Irwin 31
Our 37 XL has a check valve and a vented loop (belt and suspender approach)
in the electric bilge pump discharge hose, like this:
http://www.forespar.com/products/boat-marine-plumbing-vented-loop-thru-hull.shtml
This loop is in the lazarette, above the thruhull in the stern.
Our manual pump does
would want it to be easily accessible if installed.
Steve Thomas
CC27 MKIII
-Original Message-
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of Ken Heaton
Sent: Tuesday, August 13, 2013 10:42 AM
To: cnc-list
Subject: Re: Stus-List Bilge pump siphon
Our 37 XL has a check
Thanks to everyone with info on my bilge pump siphon problem. I'll service
the pump and install a vented loop. That should solve the problem.
Steve
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CnC-List@cnc-list.com
Hi. I have a 34+ and had an unusual thing happen this morning while at anchor.
I woke to the sound of my electric bilge pump cycling on and off. The bilge was
full of water. I turned the pump on to drain the bilge and it filled up again
once the switch was selected to off. I had the same result
Steven,
On my 37+, the discharge points are a few inches above the waterline, but the
hoses leading to them loop up well above the waterline to make sure no water
can come back in when the back of the boat is heavy.
Check your hoses and make sure they go upwards.
Also, I have, in the past,
)
To: cnc-list@cnc-list.com
Subject: Stus-List Bilge pump siphon
Hi. I have a 34+ and had an unusual thing happen this morning while at anchor.
I woke to the sound of my electric bilge pump cycling on and off. The bilge was
full of water. I turned the pump on to drain the bilge and it filled up again
I must be messing up cause I have a check valve. Without it, all the water
that is pushed into the hose above the pump drains right back into the sump
once the pump turns off. With an auto sensing pump it would pump all the
time.
I did up size the discharge hose and check valve so that they
The only problem with a check valve is that it reduces the flow rate.
If you plan to use a check valve - as many of us, including me, do -
just adjust your pump size accordingly.
Same goes for how big a column of water you're pushing (ie: hose diameter)
Same goes for how high you're pushing
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