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Old 28-12-2012, 17:42   #1
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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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Old 29-12-2012, 20:36   #2
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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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Old 29-12-2012, 20:43   #3
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Quote:
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
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Old 29-12-2012, 21:23   #4
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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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Old 06-01-2013, 14:06   #5
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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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Old 10-01-2013, 12:46   #6
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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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Old 16-01-2013, 12:02   #7
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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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Old 16-01-2013, 12:46   #8
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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
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Old 18-01-2013, 23:38   #9
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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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Old 19-01-2013, 08:20   #10
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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 View Post
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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