Water Heater Mixing Valve Issue
I have an issue with the mixing valve in the motorhome. Sediment keeps stopping up the valve and does not allow any hot water to flow. I flushed the water heater and had a new valve installed and on t...
Forum Discussion
RLS7201 wrote:
Remove the mixing valve and replumb. Remove the thermostat and replace it with a standard 140° stat. Those mixing valve systems from Atwoods were nothing but a problem from the get-go.
Richard
XT Models (Mixing Valves) use a 160*F T-stat
as mentioned replace with a standard Atwood T-stat (140*F) should you delete the mixing valve
You will also need to change out the t-stat Brown wire connector from a 'PIN' type (used on XT) to a 'Small Spade' type (used with the 140*F T-stat
Mixing Valve in concept is/was a good idea......higher water temp allows more available hot water due to outlet temp controlled to 130*F from Mixing Valve
Unfortunately scale/calcium in water source clogs up the Hot inlet side of Mixing Valve causing luke warm/cold water output
