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Sprinkler valve question for whole house water valve.

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Sprinkler valve question for whole house water valve.

Unread postAuthor: boyntonstu » Wed Jul 28, 2010 9:34 am

I am going to place a NC sprinkler valve in series with my main house ball valve.


How do I open the valve if we get a power outage?
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Unread postAuthor: Technician1002 » Wed Jul 28, 2010 10:08 am

maybe batteries.. A computer UPS could do the job.
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Unread postAuthor: boyntonstu » Wed Jul 28, 2010 10:18 am

Technician1002 wrote:maybe batteries.. A computer UPS could do the job.


I was hoping for a physical opening.

Another method is to parallel the main water valve that is normally closed when power can be supplied to the SV.
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Unread postAuthor: POLAND_SPUD » Wed Jul 28, 2010 10:50 am

I am going to place a NC sprinkler valve in series with my main house ball valve
no offence but it sounds a bit stupid... why do you need a sprinkler valve in the first place ?
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Unread postAuthor: Gippeto » Wed Jul 28, 2010 11:37 am

POLAND_SPUD wrote:
I am going to place a NC sprinkler valve in series with my main house ball valve
no offence but it sounds a bit stupid... why do you need a sprinkler valve in the first place ?


X2....What's the point Stu?

If you want a redundant valve with manual control, why not just use another ball valve?
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Unread postAuthor: jor2daje » Wed Jul 28, 2010 12:20 pm

most sprinkler valves that I have used have a small plastic lever below the solenoid so that you can open the valve manually. If not a powerful magnet stuck on top of the solenoid should open it and leave it open.

And I'm assuming its for watersaving device so you can shut of all the water to your house from a switch inside. But manually override if the power goes out.

Image that little black lever
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Unread postAuthor: boyntonstu » Wed Jul 28, 2010 3:38 pm

jor2daje wrote:most sprinkler valves that I have used have a small plastic lever below the solenoid so that you can open the valve manually. If not a powerful magnet stuck on top of the solenoid should open it and leave it open.

And I'm assuming its for watersaving device so you can shut of all the water to your house from a switch inside. But manually override if the power goes out.

Image that little black lever


You are close.

I want the water on only if there is a person up and about in the toilet, kitchen or laundry room.
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Unread postAuthor: jor2daje » Wed Jul 28, 2010 4:01 pm

I dont see why it wouldnt work, but I think you will need a much larger sprinkler valve so you have enough flow for your whole house.
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Unread postAuthor: POLAND_SPUD » Wed Jul 28, 2010 6:06 pm

I want the water on only if there is a person up and about in the toilet, kitchen or laundry room.

sorry but I still don't get it... what's the point of it ? it's not that you are saving anything
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Unread postAuthor: boyntonstu » Wed Jul 28, 2010 6:19 pm

jor2daje wrote:I dont see why it wouldnt work, but I think you will need a much larger sprinkler valve so you have enough flow for your whole house.


My house supply is 3/4" PVC.

Would a 3/4" straight though sprinkler valve be equal to that?
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Unread postAuthor: jimmy101 » Wed Jul 28, 2010 6:56 pm

boyntonstu wrote:
jor2daje wrote:I dont see why it wouldnt work, but I think you will need a much larger sprinkler valve so you have enough flow for your whole house.


My house supply is 3/4" PVC.

Would a 3/4" straight though sprinkler valve be equal to that?

Roughly yes. A 1" might be a bit better though.

Those valves typically operate on 12V or 24V (sometimes AC, sometimes DC). In a power outage the vent screw can be used, though it might dribble water. A 9V battery will operate the valve without any problems, though I don't know how long a 9V battery would be able to operate the valve. A small 12V lead-acid gel battery, with it's own 120VAC charger, would probably be able to operate the valve for a couple days.

http://www.amazon.com/Black-Decker-VEC0 ... B000E1HAIK
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Unread postAuthor: Gippeto » Thu Jul 29, 2010 12:01 am

POLAND_SPUD wrote:
I want the water on only if there is a person up and about in the toilet, kitchen or laundry room.

sorry but I still don't get it... what's the point of it ? it's not that you are saving anything


Maybe his toilet leaks and he doesn't know how to fix it? :wink:
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Unread postAuthor: boyntonstu » Wed Aug 18, 2010 8:23 am

jor2daje wrote:most sprinkler valves that I have used have a small plastic lever below the solenoid so that you can open the valve manually. If not a powerful magnet stuck on top of the solenoid should open it and leave it open.

And I'm assuming its for watersaving device so you can shut of all the water to your house from a switch inside. But manually override if the power goes out.

Image that little black lever


I have the same valve.

What happens if the diaphragm breaks?


Will water go through or will it leak externally?
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Unread postAuthor: qwerty » Wed Aug 18, 2010 10:26 am

i doubt it would break as it's rubber but if it does i'm guessing the water woulf just go through. But again, what's the point? a ball valve would be fine and after repeated use the diaphragm might give out.
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Re: Sprinkler valve question for whole house water valve.

Unread postAuthor: velocity3x » Wed Aug 18, 2010 12:09 pm

boyntonstu wrote:I am going to place a NC sprinkler valve in series with my main house ball valve.


This is substantially less than a good idea. What would you do if you have a house fire that you could quickly and easily manage if you have water but, the Sprinkler valve for whatever reason, refuses to open?
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