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Old 01-02-2012, 04:06 PM   #1
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Have a neighbors gas water heater go out. No gas to tank. The problem is I see a couple of things that I don't see everyday. I'm no plumber and would call mine but for the holiday. What are these items? Any idea's for fix.
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Old 01-02-2012, 04:07 PM   #2
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and this one on the side of the tank.
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Old 01-02-2012, 04:12 PM   #3
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The first one is a solenoid valve the second (appears to be) a pressure switch.
Very odd. I'm also curious why either would be on a water heater but I'm also certain they are the reason that no gas is passing.

When the pressure switch senses gas pressure a diaphragm inside it closes the circuit which in turn send power to the solenoid... either the pressure switch is bad or there is no gas pressure or the solenoid (coil) is bad.

Have fun figuring it out.

hth

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Old 01-02-2012, 04:38 PM   #4
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Show where the rest of the wires go. Need to see all the wiring!
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Old 01-02-2012, 04:39 PM   #5
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disconnect the blue and red wires.....red wire seems to be off the PSI silver switch (useless not connected) put the red and blue wire together the soilnoid should open.shut the gas valve off then touch together verify clicking solinoid being powered...don't want ant surprises
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Old 01-02-2012, 05:05 PM   #6
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OK, cool beans, will go down there and see if I can't start the new year off with a bang.

Here's a whole shot.
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Old 01-02-2012, 05:06 PM   #7
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Here's the power assist looking above.
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Old 01-02-2012, 05:19 PM   #8
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I wouldn't touch that setup with a 10' pole, looks like who ever did that was trying to change a continous pilot to some jury rigged instaneous pilot. Turn the gas off and replace the heater with a new one, no jury rig on gas, really bad idea!!!!!!!

Power vent what the heck?????

I hope that your neighbor doesn't live too close, none of that is rated for use with gas!!!!!

Paulie, I sent you a PM, don't try anything other than shut the gas off to that and get a proffessional in there to repair or replace with proper components!!!!!!

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Old 01-02-2012, 05:26 PM   #9
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Quote:
Originally Posted by biggles View Post
disconnect the blue and red wires.....red wire seems to be off the PSI silver switch (useless not connected) put the red and blue wire together the soilnoid should open.shut the gas valve off then touch together verify clicking solinoid being powered...don't want ant surprises
Biggles?? you really should look at what is connected there before you give any advice, that pressure switch is connected to the pilot side of the gas valve any leak will go BOOOOM!!!!

I don't mean to offend, but you really should have kept your comments on this one to your self!!!!

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Old 01-02-2012, 05:32 PM   #10
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Biggles?? you really should look at what is connected there before you give any advice, that pressure switch is connected to the pilot side of the gas valve any leak will go BOOOOM!!!!

I don't mean to offend, but you really should have kept your comments on this one to your self!!!!

Mark
I'll have my plumbing guy give him a call tomorrow and it's all good.
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Old 01-02-2012, 05:37 PM   #11
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I'll have my plumbing guy give him a call tomorrow and it's all good.
Thanks Paulie, that setup just looks like an accident waiting to happen, you should close the "gas valve" or have your neighbor do it, the solenoid valve on that is not gas rated either.

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Old 01-02-2012, 06:00 PM   #12
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I'll have my plumbing guy give him a call tomorrow and it's all good.
Tell him to bring some B vent and fittings along with the new heater.
On that point... is there an actual flue down there anywhere?
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Old 01-02-2012, 06:35 PM   #13
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I agree with jackofall....except I wouldn't touch it with a 50' pole....shut it down....NOW.....have a new power vented heater installed ASAP.. if the gas company would see it they would red tag it......
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Old 01-02-2012, 07:21 PM   #14
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Replace that whole works with a new gas water heater!

That is a homeowner modified water heater. What the means is that it was not tested by U.L.! Or Underwriters Laboratories. An underwriter is an insurance company... Or in other words, should that cause a fire or fumes to fill the house and cause loss of life, don't expect the insurance company to cover the loss.

Also that wiring looks to be *very* dangerous with the bare terminals. Notice how a washing machine, furnace, etc. has the wiring and controls inside behind a cover where no one (like a small child or animal) can touch them? That is not done in this case. I would unplug it, if it is plugged into an outlet.

And turn off the gas valve as suggested above.
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Old 01-02-2012, 08:09 PM   #15
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those tubes off the dwyer switch are sensing air can't be gas with the solinoid above the main gas..that switch is =/- on those ports has to be something with that ID mouse trap up on top...24Vs control spark on that dwyer with gas within it even on the positive...the other aluminum tube is the pilot running down along the main gas into the burner ....

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