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Old 04-25-2021, 07:31 PM   #15
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Join Date: Nov 2015
Posts: 15,867
Originally Posted by Phoneman View Post
Ok, let me start over. When it was recommended to bypass the water heater, I set the waterline up for winterizing, bypassing the tank. But by doing this i found out that the water still flows through the mixer valve to get to the faucets. The flow at this point did not improve.

I took out the mixer valve and tore it apart as far as I could into pieces and boiled it in vinegar/water solution for 30 minutes. Did not see much stuff come out and after reinstalling, did not improve the hot water flow.

I next decided to just hook up directly the bypass water line to the hot water line going to the faucets to bypass the mixer valve and the hot water tank completely. This definitely showed improvement to the faucets.

So I decided to eliminate the mixer valve completely and re-build the plumbing connections behind the tank similar to the way a Dometic hot water tank would be. I realize I will need to be careful because of the water temperature or change out the thermostat to an adjustable one since I removed the mixer valve.

Hope this clears up any confusion.
XT Models heat water in tank to 160*F +/-
W/O mixing valve that extremely hot (scalding temp) is available at the faucets
Unspecting/forgetting to properly temp water with cold can result in 3rd degree burns

WHY expose you/yours/guests to that chance??

Change out the T-stat
Standard t-stat...140*F
Optional Adjustable T-stat (replaces the t-stat...same location)

Just need to change the PIN connector on the BROWN wire to a Small Spade connector
Easy-peasy and NO Scalding events
Is it time for YOUR Medication or Mine?
Dodge 3500 w/Tractor Motor & NUWA 5vr
US NAVY---USS Decatur DDG-31
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hot water, water, water pressure

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