Home Automation I need auto fill tank for RO filter

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Subject Author Date
I need auto fill tank for RO filter geronimo 03-09-07
Posted by geronimo on March 9, 2007, 5:04 pm
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I got an RO filter recently. Problem is, we have to fill it from a
1 or 5 gal jug manually. I would sure like to have some info on
building a DIY water storage tank that would turn the RO unit on when
low, and back off when full. I think it could be done with a 5 or 6
gal plastic water bottle, with a spigot installed in the bottom. I
hear the best type of float switch is actually an air column pressure
switch. That would have to be rigged to turn a solenoid water valve
on/off. So if I could find a source for a suitable air column
pressure switch, and an electric solenoid valve to control the inlet
water line, then I would be all set to build it. Or maybe there is a
tank kit I can buy? Ideas?

Posted by Robert L Bass on March 9, 2007, 7:36 pm
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> I got an RO filter recently. Problem is, we have to fill it from a
> 1 or 5 gal jug manually. I would sure like to have some info on
> building a DIY water storage tank that would turn the RO unit on when
> low, and back off when full...

Low tech solution. Turn the supply bottle upside down with the bottle neck
immersed in the filter pan?

--

Regards,
Robert L Bass

=============================>
Bass Home Electronics
941-925-8650
4883 Fallcrest Circle
Sarasota · Florida · 34233
http://www.bassburglaralarms.com
=============================>



Posted by geronimo on March 10, 2007, 6:28 am
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HuH?????


On Fri, 9 Mar 2007 19:36:53 -0500, "Robert L Bass"

>> I got an RO filter recently. Problem is, we have to fill it from a
>> 1 or 5 gal jug manually. I would sure like to have some info on
>> building a DIY water storage tank that would turn the RO unit on when
>> low, and back off when full...
>
>Low tech solution. Turn the supply bottle upside down with the bottle neck
immersed in the filter pan?


Posted by Robert L Bass on March 10, 2007, 6:39 pm
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> HuH?????

I've seen setups like that for a pet's water bowl. Whenever the level gets too
low water flows down from the inverted bottle /
reservoir.

--

Regards,
Robert L Bass

=============================>
Bass Home Electronics
941-925-8650
4883 Fallcrest Circle
Sarasota · Florida · 34233
http://www.bassburglaralarms.com
=============================>



Posted by Slammer on March 11, 2007, 3:52 pm
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> I got an RO filter recently. Problem is, we have to fill it from a
> 1 or 5 gal jug manually. I would sure like to have some info on
> building a DIY water storage tank that would turn the RO unit on when
> low, and back off when full. I think it could be done with a 5 or 6
> gal plastic water bottle, with a spigot installed in the bottom. I
> hear the best type of float switch is actually an air column pressure
> switch. That would have to be rigged to turn a solenoid water valve
> on/off. So if I could find a source for a suitable air column
> pressure switch, and an electric solenoid valve to control the inlet
> water line, then I would be all set to build it. Or maybe there is a
> tank kit I can buy? Ideas?

Is this a gravity feed system you are suggesting?
Is the tank pressurized? Is the filter? Do you ever
back flush the filter? A dual action level switch
may be better suited. Can you provde a link to your
filter?

Michael



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