TempAssure Shower Valve "T17T"
If the Aquahot is working properly source water temperature, taking water from you fresh water tank helps, also using the shower valve on and off.
I removed the shower valve in my motorhome as it was full of scale and felt like it had sand in it. Then installed a Delta TempAssure Thermostatic cartridge that measures and monitors the temperature of the water and automatically adjusts to maintain a more precise water temperature. My coach has a delta rough so all I needed to do was purchase the trim that included the TempAssure cartridge. It has the number “T17T”. I found DELTA FAUCET “T17T097-PN” to be the right style for my RV. It has a wax cartridge so when the valve is opened it always comes to the temp the valve is adjusted for as long as the source water is of sufficient temperature. The T17T297 or the T17T497 also work, they just have more parts. Now I can open the shower valve, it comes up to temp and I can turn off and on not having to worry about adjusting the temp. The valve auto adjusts for the input to give you the right output as long as it can so when it goes cold I am out of hot water.
I know the mixing valve on the AquaHot will adjust the water temp and the pressure balance valve shower valve that is installed at the factory will compensate for pressure fluctuations, but this is just a finer control of temperature that I don’t have to think about. This is my third class A RV and I have put one in all three. The Entegra is the first to use a Delta rough so I did not have to replumb and install a new rough.
There is also a “T17” series, that is what was installed from the factory. It is a good pressure balance valve. The “T17T” has a TempAssure cartridge and trim a very different valve.
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