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Newell Gurus 2018 Rally May 1-8 at Bella Terra in Foley, Alabama Check out Rally Thread

Aquahot puzzle
#1
2 months ago the shower would not get hot only Luke warm and would not change temp. Everyone said it was the cartridge. Newell installed a new one. It got hot scalding hot and would not cool down. At newell now they removed reinstalled and now it’s back to Luke warm won’t change temp and the other faucets are not hot. Newell is stumped.. any ideas

Btw aquahot is working perfect for the bays and heater..
Marc and Theresa Newman
Formerly Newell 422, 507, 512
Current owner of 701 2004 quad slide
2004 28 ft Champion Stacker.
2007 Mercedes SL 65 AMG "Hammer"
2016 Rzr Xp4 1000
2016 Newman-Ellis 28 foot coach trailer.

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#2
Under the burner is the tempering valve. It is a brass valve with a black knob. Remove the burner. Use pliers to gently rock the black knob back and forth till it is broken loose. Move the knob all the way one way and all the way the other way three times. Return the knob to the starting point.

Install the burner and heat the coolant up. Turn the sink hot water facuet on and check temp. If cool reach under burner and turn top of knob toward the tank. If too hot, turn top of knob away from the tank.

If that does not work, replace the guts with the innards of a new valve. Loosen the nut that holds the valve in place and remove valve. Insert new valve and tighten nut. No need to solder a new valve body.

These are Watt valves and can be ordered from Grainger.

This solves temp not getting hot enough. Does not address water being to hot and then to cool. So check at sink that does not have a cartridge like the shower does.
Rudy Legett
1995 Foretravel U320
M11 400hp Allison 4060R
Factory Authorized Aqua Hot Repair Center
Greater Houston Area
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#3
Is that the mixing valve Rudy?
Marc and Theresa Newman
Formerly Newell 422, 507, 512
Current owner of 701 2004 quad slide
2004 28 ft Champion Stacker.
2007 Mercedes SL 65 AMG "Hammer"
2016 Rzr Xp4 1000
2016 Newman-Ellis 28 foot coach trailer.

Reply
#4
Rudy, I did as you suggested and found that when to turn the valve all the way towards the tank I get the hot water but not much change I’m thinking the valve is bad as you suggested?
Marc and Theresa Newman
Formerly Newell 422, 507, 512
Current owner of 701 2004 quad slide
2004 28 ft Champion Stacker.
2007 Mercedes SL 65 AMG "Hammer"
2016 Rzr Xp4 1000
2016 Newman-Ellis 28 foot coach trailer.

Reply
#5
Here are the parts you need.

https://www.homedepot.com/p/Watts-1-2-in.../205492524

Newell has lost so much experience over the last few years, they are stumped on a repair that should have been simple.
Steve Bare
1999 Newell 2 slide #531
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