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Old 10-12-2008, 03:55 PM   #16
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Is the gas valve bad?


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Originally Posted by beenthere View Post
I seldom test thermos anymore.
I install a new one.
If the valve is bad instead. No problem. I don't install new valves and leave old thermos in.
I don't test anymore either. It takes longer to test that to replace. And for the $4 I don't have to come back for a marginal thermo that only had a few months left anyhow.

When I do annuals I replace the thermo if it is over 2 years old. I figure they are paying me for something and this keeps me from coming back a few months later. Nothing like having a furnace fail right after you did an annual on it.

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Old 10-12-2008, 10:08 PM   #17
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Is the gas valve bad?


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That is not testing it under load.

Under load, would be while its hooked to the gas valve.
I found a lot of t couples that will test good that way, but are weak. When tested underload, they test out at 20 or less mV.

The clip could be bad, and letting the t couple slide away from the pilot flame.

If its not.
Install a block, and check it while under load. If it test ok then. You probably have a bad gas valve.

Keep in mind, that if it is a gas valve. You should still install a new t couple.

Maybe i am confusing matters here. I sold coleman 78%ers for a while and the Robertshaw redundant valve had grooves vetical on the pilot operator.

You could check the mv with the tcouple attached to the valve with the burners lite,.


Sorry I was a little slow on the up take. The open circuit and closed circuit test. That's basic stuff but it's been so long since I saw a standing pilot ...

But Been He did say the top quarter was enveloped with a good flame.

But he's going by the customer telling him the t'couple was new.

Put in a new one and see what happens.
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Old 10-12-2008, 10:59 PM   #18
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Is the gas valve bad?


A lot of newer valves do have the cut out for checking under load.
But not all. And there are still a lot of older vavles out that don't have the cut out.

So I carry the block.

Probably have the time that I do check them. I use the block when I could use the tabs at the cut out. But I can't use clips thens.

Old habits are hard to break.
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Old 10-12-2008, 11:03 PM   #19
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Is the gas valve bad?


Tell me about it.


Hey Been! I just back from the casino. I broke even That means I won
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Old 10-12-2008, 11:10 PM   #20
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Is the gas valve bad?


I haven't been to a casino for a Year or so.
I take down X amount of money, and if I have gas money left, I did ok. LOL
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Old 10-12-2008, 11:21 PM   #21
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Is the gas valve bad?


There's been too much drama at home..Mama Clover needed some "Get me the hell out of the house" time.

When she hits a losing streak she cusses the slots like a tech does an obstinate furnace..lol..lucky it's ll in Greek.

i get mad sometimes too, have to walk away from the slot and get a beer to cool down.


Had a little heartbreak of my own too. Bought a Fluke for the first time, a 116. Found out it was made in china.

Also been hearing the guys complain about the quality.

Looks like it's going back
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Old 10-12-2008, 11:27 PM   #22
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Is the gas valve bad?


The quality of everythng goes down, when cost have to be cut.
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Old 10-12-2008, 11:30 PM   #23
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Is the gas valve bad?


Would you keep it? I always used UEI before.
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Old 10-12-2008, 11:34 PM   #24
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Is the gas valve bad?


I would keep it. Just to say i have a Fluke.

I use Fieldpiece. I don't have any problems with them.
My manometer is a Testo though, much better then fields.

I find if you drop them off the roof of a 3 story building, it breaks as well as a Fluke. Just cost less to replace.

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