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Sprinkler Valve Alarm Connect??

 
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Old 06-20-2019, 06:44 AM   #21
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Re: Sprinkler Valve Alarm Connect??


That looks like a flow switch and a tamper switch all in one. Unless that was the only one they ever sold, hard to believe it would be anything but a normal threaded connection. Should be a easy reply from manufacturer/ supplier as to what it is.
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Old 06-20-2019, 06:51 AM   #22
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by rrk View Post
That looks like a flow switch and a tamper switch all in one. Unless that was the only one they ever sold, hard to believe it would be anything but a normal threaded connection. Should be a easy reply from manufacturer/ supplier as to what it is.
Hello rrk,

There are five(5) of these valves that I need to interconnect.
The installer said that there were others that had problems
in the past 6 to 9 months.

Manufacturer Sales Rep said it was a 3/4" NPT. NOT!!!

He is supposed to be checking (stalling) to find an answer.

Meanwhile I am getting more frustrated.

Les
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Old 06-20-2019, 06:51 AM   #23
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
Inner,



The Black Plug has a O.D. of the threads of .790

and they are straight not tapered.



The 1/2" NPT thread has an O.D. of .850

and they are tapered. I am measuring near the bottom.



With about eight(8) wires hanging out of the hole makes

trying to chase the hole a bit "complicated" to say

the least.



Les
If it's 0.79" then it's probably an M20. They make adapters for npt just google M20 to npt.

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Old 06-20-2019, 09:28 AM   #24
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Re: Sprinkler Valve Alarm Connect??


It looks like Inner solved it. We had a dishwasher go bad recently and had a similar situation with the hot water inlet threads. The new dishwasher had a thread type that would work with a hose outlet, was almost identical to the traditional copper one but after 1 turn would bind. We ended up getting an adapter like what he posted and it solved the problem.
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Old 06-20-2019, 03:49 PM   #25
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Re: Sprinkler Valve Alarm Connect??


Inner,

Ok, that might work.

Today I searched the misc. compression and flared fittings but found nothing that would work.

What I think happened during production is that a 1/2" NPT tap was
used to thread the hole. Except the thread was NOT inserted deep
enough. This caused the opening to be smaller than it should be.

So, I did get a bit creative. I first tried to heat up the 1/2" NPT adapter
with my butane torch to see if I could get it to conform.
That failed badly.

I tried another but with less flaming. That failed as well.

I then used my wire cutters to make a cut in the threads lengthwise
with the intent to get the fitting smaller on the end to aid in the insertion. Plastic could not handle to stress and cracked off a chunk.

So that failed............ Twice!!

I then used a hacksaw and make a 1/8" slot across the fitting. Broke
out the slug and then made a single cut at 90 degrees.

I then inserted the fitting into the threaded port and it turned in
quite well and tightened up as it should.

See pictures below. I think they tell the story.
Not perfect but I think a reasonable solution given the condition.

Now I have to make four(4) more.
The last of which will be the best one. P-M-P
"Practice Makes Perfect"
.
Attached Thumbnails
Sprinkler Valve Alarm Connect??-img_5821.jpg   Sprinkler Valve Alarm Connect??-img_5823.jpg   Sprinkler Valve Alarm Connect??-img_5824.jpg  
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Old 06-20-2019, 07:39 PM   #26
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
Inner,



Ok, that might work.



Today I searched the misc. compression and flared fittings but found nothing that would work.



What I think happened during production is that a 1/2" NPT tap was

used to thread the hole. Except the thread was NOT inserted deep

enough. This caused the opening to be smaller than it should be.



So, I did get a bit creative. I first tried to heat up the 1/2" NPT adapter

with my butane torch to see if I could get it to conform.

That failed badly.



I tried another but with less flaming. That failed as well.



I then used my wire cutters to make a cut in the threads lengthwise

with the intent to get the fitting smaller on the end to aid in the insertion. Plastic could not handle to stress and cracked off a chunk.



So that failed............ Twice!!



I then used a hacksaw and make a 1/8" slot across the fitting. Broke

out the slug and then made a single cut at 90 degrees.



I then inserted the fitting into the threaded port and it turned in

quite well and tightened up as it should.



See pictures below. I think they tell the story.

Not perfect but I think a reasonable solution given the condition.



Now I have to make four(4) more.

The last of which will be the best one. P-M-P

"Practice Makes Perfect"

.
Just run em free air with a strain relief connector, then put alligator skin over em.

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Old 06-20-2019, 08:04 PM   #27
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by Inner10 View Post
Just run em free air with a strain relief connector, then put alligator skin over em.

Sent from my Pixel 2 using Tapatalk

Is there a brand name of what you type??
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Old 06-20-2019, 08:30 PM   #28
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
Is there a brand name of what you type??
How do you normally wire them? Drop a flexible conduit right by the valve then put a jbox or lb or ll or c to act as a junction box, then put a stub right into the valve?

Well instead just put a box or lb beside the valve. Then run the wires through a strain relief:

https://www.homedepot.ca/product/tho...nch/1000184210

Then protect the pigtail wired with alligator skin:

https://www.amazon.com/Flexible-Poly.../dp/B00DP3K8A6

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Old 06-20-2019, 08:57 PM   #29
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by Inner10 View Post
How do you normally wire them? Drop a flexible conduit right by the valve then put a jbox or lb or ll or c to act as a junction box, then put a stub right into the valve?

Well instead just put a box or lb beside the valve. Then run the wires through a strain relief:

https://www.homedepot.ca/product/tho...nch/1000184210

Then protect the pigtail wired with alligator skin:

https://www.amazon.com/Flexible-Poly.../dp/B00DP3K8A6

Sent from my Pixel 2 using Tapatalk
I have done kinda what you described in the past. Been a while.

The alligator skin had me a bit mystified. Now that I know
what you type, I get it. Split Corrugated Tubing is where I am.
Never heard it called alligator skin.

Otherwise yes, that makes sense. I will have to perform my modification to the fitting to get it to fit.
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Old 06-20-2019, 09:33 PM   #30
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Re: Sprinkler Valve Alarm Connect??


Inner,

Sadly my Home Depot does not stock the T & B fitting.

I will have to do some extra searching.

I will figure this one, one way or another.

Thanks,
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Old 06-21-2019, 06:18 PM   #31
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Re: Sprinkler Valve Alarm Connect??


Well, it seems the Manufacture Sales Rep along with one of their
engineers has found a fitting that will do the job. They are
sending me 5 each of these units Next Day Air for me to use.

I will have them Monday to try them out.

It was confirmed that I was the first to bring this issue
to their attention.

Some days it is worth speaking up and getting heard.

Les
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Old 06-21-2019, 07:03 PM   #32
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Re: Sprinkler Valve Alarm Connect??


And some days it's not worth chewing through the straps.

Looking forward to your report on whether what they send you actually works.
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Old 06-26-2019, 10:01 PM   #33
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Re: Sprinkler Valve Alarm Connect??


UPDATE

Ok, so yesterday I received these fittings from California.
They are black rubberized double ended bushings with
a hex portion in between.

I installed them in the valve ports and started and the thread
compresses into the port. At first getting it started was a bit of
a trick but once started the thread compresses into the port.

Then I mounted a 4x4 box with a lock nut and all looks good. The
only thing would be is if the box is bumped hard enough the fitting
could pop out of the valve. Most likely won't happen.

So all in all the problem is now solved. I suggest that they include
these fitting with every valve sold in the US until the manufacturing
process can meet US standards.

All is now good. The manufacturer actually did the right thing!!

Les
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Sprinkler Valve Alarm Connect??-img_5843.jpg   Sprinkler Valve Alarm Connect??-img_5844.jpg  
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Old 06-26-2019, 10:12 PM   #34
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
UPDATE

Ok, so yesterday I received these fittings from California.
They are black rubberized double ended bushings with
a hex portion in between.

I installed them in the valve ports and started and the thread
compresses into the port. At first getting it started was a bit of
a trick but once started the thread compresses into the port.

Then I mounted a 4x4 box with a lock nut and all looks good. The
only thing would be is if the box is bumped hard enough the fitting
could pop out of the valve. Most likely won't happen.

So all in all the problem is now solved. I suggest that they include
these fitting with every valve sold in the US until the manufacturing
process can meet US standards.

All is now good. The manufacturer actually did the right thing!!

Les
Was it an M20?
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Old 06-27-2019, 06:38 AM   #35
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by Inner10 View Post
Was it an M20?

Inner,

I can't really say. There are no markings.

It does "appear" to be a 1/2" NPT on both ends.

I did not measure with my calipers.

Most important thing to me is that the problem has been solved.

Thanks to all for a your thoughts.

Les
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Old 06-27-2019, 08:39 PM   #36
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Re: Sprinkler Valve Alarm Connect??


Hey Inner,

More input for you.

The Mfg. actually sent me a total of 6 of these fittings.
So I checked the OD of #6 with my calipers.
The OD at the outside of the threads in .815 +or- a couple.

This is larger than the original plug by a little, which was .790

The center hole is .520 compared to the original at .460

I would venture a guess that the Durometer is about a 60-70 range.
Which aides in the insertion process to this unknown thread on the valve.

Again there are no marking of any kind.

That is about the limit of my testing without getting additional tools.

Les
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Old 06-28-2019, 07:03 PM   #37
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
Hey Inner,



More input for you.



The Mfg. actually sent me a total of 6 of these fittings.

So I checked the OD of #6 with my calipers.

The OD at the outside of the threads in .815 +or- a couple.



This is larger than the original plug by a little, which was .790



The center hole is .520 compared to the original at .460



I would venture a guess that the Durometer is about a 60-70 range.

Which aides in the insertion process to this unknown thread on the valve.



Again there are no marking of any kind.



That is about the limit of my testing without getting additional tools.



Les
I'm just curious, keep it in your van and bring it into the next fastener store you visit as have them identify it.

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Old 06-28-2019, 08:33 PM   #38
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by Inner10 View Post
I'm just curious, keep it in your van and bring it into the next fastener store you visit as have them identify it.

Sent from my Pixel 2 using Tapatalk
Inner,

Rather than me stopping in at Fastenal to confuse the latest rookie,
I decided to just ask Daniel where, what it was.

His response was as follows.

Les,
We actually make it at our rubber factory in Korea.
It was a wrong fitting we have received and kept
that saved us both in this scenario.


BOGGLES the Brain!!!

Have a good weekend.

Les
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Old 06-28-2019, 08:56 PM   #39
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by ABLE1 View Post
Inner,

Rather than me stopping in at Fastenal to confuse the latest rookie,
I decided to just ask Daniel where, what it was.

His response was as follows.

Les,
We actually make it at our rubber factory in Korea.
It was a wrong fitting we have received and kept
that saved us both in this scenario.


BOGGLES the Brain!!!

Have a good weekend.

Les
Well Les owe you an appology. I thought you were nuts and didn't know how to screw in a box connector....sounds like you just got hosed by a weirdo product.
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Old 06-28-2019, 09:02 PM   #40
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Re: Sprinkler Valve Alarm Connect??


Quote:
Originally Posted by Inner10 View Post
Well Les owe you an appology. I thought you were nuts and didn't know how to screw in a box connector....sounds like you just got hosed by a weirdo product.

Well thanks!! I think......................

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