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Old 11-04-2009, 06:45 AM   #1
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How to turn down my hot water heater? [picture attached]


Hi,

We just recently purchased a house, and the Rheem Ruud Power Vent PVW50 gas water heater temperature is set way too high. There is no 'obvious' knob on how to turn down the temperature. There are two hex screws, but I don't really feel like playing around if I don't know what to do. Comments are appreciated!

Thanks,

Dave
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Last edited by DIYguy2000; 11-05-2009 at 07:08 AM.
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Old 11-04-2009, 10:50 AM   #2
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How to turn down my hot water heater? [picture attached]


Have you tried looking under the grey cover in the upper right?
I don't know for sure but it should have a thermostat of some kind and that might be what the 2 wires are. I wouldn't adjust the allen screw; those are probably gas pressure flow control/regulators.

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Old 11-04-2009, 12:43 PM   #3
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How to turn down my hot water heater? [picture attached]


I don't believe I can remove the grey box at the top right - I think its permanent. I'm not at home right now, but I'll check when I do get home.

There are also a few components at the top of the water heater (vent, blower, etc.) could it be up there? Again, I don't see anything obvious up there.

The heater was installed in '97, so it's not too old.

The user manual didn't come with it when we bought the house. Can I find it online? or should I just call the manufacturer to ask how to adjust it?

- Dave
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Old 11-04-2009, 05:19 PM   #4
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How to turn down my hot water heater? [picture attached]


The water heaters that I've installed have been non=powered. Gravity vent or electric is my thing. I don't think your situation is that complicated; you just need to hook up with a pro-plumber. You might try to post your problem again. You SHOULD get multiple, satisfactory replies, I would think. Sorry.
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Old 11-04-2009, 06:16 PM   #5
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How to turn down my hot water heater? [picture attached]


Why not call Rheem:
Phone: 1-800-432-8373

Fax: 334-260-1341


Available between 7AM - 7PM Central Standard Time (CST)

Weekdays
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Old 11-04-2009, 08:52 PM   #6
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How to turn down my hot water heater? [picture attached]


If you absolutely can't wait, try one of these: http://www.rheem.com.au/manuals.asp?view=domestic They may be similar.....

Be safe, Gary
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Old 11-05-2009, 07:05 AM   #7
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How to turn down my hot water heater? [picture attached]


Thanks everyone for your replies. As was suggested earlier, I looked at that grey box at the top right in the pictures. I originally thought it was fixed in place, but it was removable by squeezing the sides in (compression fit). I found the small thermostat dial under a layer of insulation. It was set between low and med, which resulted in scalding hot water. I'd hate to see what 'high' would do! yikes. Turned it down to low last night. Perfect temperature this morning.

Thanks everyone!

Dave

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