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Tool Talk Discussion Forum

Re: Nat Gas water heater valve question-pilot light

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Author  [Modern View]

04-10-2013 18:10:00

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Yes, the adjusting screw is under a welch plug on newer appliances. You may want to google any model numbers on the valve, it might have directions available.

Most every tank you see on the curb on trash day has working and usable gas control valves, if you screw anything up, just go hillbilly shopping.

I have had trouble with even good thermocouples failing to keep lit. Ended up being the magnet that holds the gas on was a problem. If you overtighten the thermocouple it can screw things up in there. If that happens, see above about shopping. Call me a packrat if you want but I like to keep a used valve on hand (scavenged from leaking water heaters). If it saves me from running to town to get parts, the space investment is worth it.

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04-10-2013 18:37:15

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 Re: Nat Gas water heater valve question-pilot light in reply to Rich_WI, 04-10-2013 18:10:00  
Is that the core/welch plug I'm seeing on the side of the valve? I'd like to knock it out to see but don't want to wreck a good unit. This valve is unique-slightly in that it uses a left hand thread thermocouple. Its along story if you want to know let me know.

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04-11-2013 08:40:57

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 Re: Nat Gas water heater valve question-pilot light in reply to redtom, 04-10-2013 18:37:15  
Can't remember exactly, but a service tech from anoher company and I were talking awhile back and I remember the left hand t-couple thing. Seems it was some idiots better idea. He said somrthing about the manufacturer, if you get ahold of tech and raise alittle heck had retrofit kits to make them normal, I just can't recall all. Maybe yours is one & it would be worth a call. I'll keep thinking & try to remember who I was talking to.

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04-11-2013 13:48:34

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 Re: Nat Gas water heater valve question-pilot light in reply to CJinMI, 04-11-2013 08:40:57  
Yes, the long story is this is an 03 model and I think one of the first "enclosed" styles. Called a "Flamelock". You could theoretically spill paint thinner on the floor next to it and the fine mesh vent would not allow the fumes in the fire box. The mesh also plugs with dust. I knocked out the glass porthole years ago to give it more air. At that time I found out the T-couple was $80 compared to $20 for RH thread. Now its 2013, and I found that the LH T-couiple is no longer made. and a lawsuit was involved. The remedy is a $100 retrofit of burner to RH. I'm not ready to spend $100 on a 10 yr old heater whose life expect. is 13 yrs. Its not the T-couple thats bad, its a weak small pilot flame. And for the others, as in my original post, I already cleaned the orifice.

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04-10-2013 20:18:23

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 Re: Nat Gas water heater valve question-pilot light in reply to redtom, 04-10-2013 18:37:15  
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I dont know as its hard to say without seeing it. Did you google the valve number? How about the water heater model? Should be some info online. You could always call the company too. If it was mine, I would crack it open faster than an otter opens an oyster...

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Its not a good unit, the pilot light flame is too low to work.

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Thats not a problem. The problem is all the free replacements will likely be standard thread and wont fit on your tank.

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