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28-12-2012, 17:42
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#1
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Registered User
Join Date: Mar 2010
Location: Sydney Australia
Boat: Lavezzi 40, Pourpre
Posts: 962
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Potable water gauge reads full until almost empty
Hi Guys,
My Lavezzi 40 potable water gauge reads full until the tank is almost empty then drops to the actual level which is a bit of a pain.
I suspect it is a sender problem and yesterday I found the sender but before I go ripping it all apart I would like to know if anyone else has had a similar problem particularly on a FP cat and what the did to fix it?
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29-12-2012, 20:36
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#2
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Registered User
Join Date: Jun 2007
Location: SW Florida
Boat: FP Belize, 43' - Dot Dun
Posts: 3,823
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Re: Potable water gauge reads full until almost empty
Mine is a capacitive sender, easy to replace. Be sure to match the depth of the tank and the gauge (mine is 12v - 4/20ma).
~$66 US
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29-12-2012, 20:43
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#3
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Nearly an old salt
Join Date: Jun 2009
Location: Lefkas Marina ,Greece
Boat: Bavaria 36
Posts: 22,818
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Quote:
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Originally Posted by Dragon Lady
Hi Guys,
My Lavezzi 40 potable water gauge reads full until the tank is almost empty then drops to the actual level which is a bit of a pain.
I suspect it is a sender problem and yesterday I found the sender but before I go ripping it all apart I would like to know if anyone else has had a similar problem particularly on a FP cat and what the did to fix it? |
It could have US senders and a Euro gauge or vice versa. That would cause the meter to reverse.
Dave
__________________
 Interested in smart boat technology, networking and all things tech
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29-12-2012, 21:23
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#4
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Registered User
Join Date: Mar 2010
Location: Sydney Australia
Boat: Lavezzi 40, Pourpre
Posts: 962
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Re: Potable water gauge reads full until almost empty
Thanks guys, the gauge works the correct way, there must be a short or some other defect.
Looks like a new sender is the go.
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06-01-2013, 14:06
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#5
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Registered User
Join Date: Apr 2009
Location: Egersund,Norway
Boat: Lagoon380 Comfort#637
Posts: 716
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Re: Potable water gauge reads full until almost empty
i have the same problem on our, waiting on Lagoon to come up with a fix
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10-01-2013, 12:46
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#6
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Registered User
Join Date: Mar 2010
Location: Sydney Australia
Boat: Lavezzi 40, Pourpre
Posts: 962
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Re: Potable water gauge reads full until almost empty
OK thanks please let me know how you get on?
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16-01-2013, 12:02
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#7
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Registered User
Join Date: Jan 2013
Boat: Hunter, 290
Posts: 2
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Re: Potable water gauge reads full until almost empty
Marine Gauge Systems offers a solid state replacement for US type senders (30-270ohms). The easiest way to verify a US type gauge is to short (connect), the sender leads on the back of the gauge. If it goes to full scale, it is US. If it indicates empty, it is a Eurpoean model.
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16-01-2013, 12:46
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#8
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Marine Service Provider
Join Date: Jul 2011
Location: Aboard
Boat: Seaton 60' Ketch
Posts: 1,330
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We went with a water meter... Fill the tank and count down the actual water used or filled from the water maker. Less than 250 with remote digital display
S
__________________
Scott Berg
WAĜLSS
SV CHARDONNAY
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18-01-2013, 23:38
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#9
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Registered User
Join Date: Feb 2009
Location: Sydney, Australia, Cruising Greece in the summer.
Boat: FP Lucia 40, Hull #22
Posts: 463
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Re: Potable water gauge reads full until almost empty
I have been considering a water flow meter. What brand/model did you use?
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19-01-2013, 08:20
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#10
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Senior Cruiser
Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 47,083
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Re: Potable water gauge reads full until almost empty
Greetings and welcome aboard the CF, mattinva.
Thanks for that tip!
Quote:
Originally Posted by mattinva
Marine Gauge Systems offers a solid state replacement for US type senders (30-270ohms). The easiest way to verify a US type gauge is to short (connect), the sender leads on the back of the gauge. If it goes to full scale, it is US. If it indicates empty, it is a Eurpoean model.
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__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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