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Old 06-11-2022, 07:19 PM   #1
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Mixing Valve Location

Hi! Any idea where to find the hot/cold fresh water mixing valve?

We are on our shakedown camping trip in our 2021 Greyhawk 27U after dewinterizing last week. Our Dometic water heater is filling up and heating nicely, but no hot water is coming out of the taps.

There is a bypass valve on each of the hot and cold lines going into (?) the tank, but I don't see a mixing valve there, or in the crawlspace next to the fill station where the water filter is located. Any suggestions?

Thanks!

Josh
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Old 06-11-2022, 07:27 PM   #2
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Originally Posted by 907-Jayco View Post
Hi! Any idea where to find the hot/cold fresh water mixing valve?

We are on our shakedown camping trip in our 2021 Greyhawk 27U after dewinterizing last week. Our Dometic water heater is filling up and heating nicely, but no hot water is coming out of the taps.

There is a bypass valve on each of the hot and cold lines going into (?) the tank, but I don't see a mixing valve there, or in the crawlspace next to the fill station where the water filter is located. Any suggestions?

Thanks!

Josh
In the past 3 valves were common, but some units use just two valves to bypass. But it still requires a bypass line connecting the valves on the hot and cold lines. Is there a connecting pipe between the two valves?
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Old 06-11-2022, 07:43 PM   #3
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Hard to say! Here's what I can see.
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Old 06-11-2022, 07:46 PM   #4
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Hard to say! Here's what I can see.
Can you tell if the hose that appears to come off of the bottom of those two valves is one line that links the two valves?
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Old 06-11-2022, 07:57 PM   #5
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On the left each valve attaches to the tank. Where they veer off to the right, looks like they are still two separate lines. You can see them keep going in the lower right of the picture.
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Old 06-11-2022, 08:03 PM   #6
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On the left each valve attaches to the tank. Where they veer off to the right, looks like they are still two separate lines. You can see them keep going in the lower right of the picture.
It isn't one of these?
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Old 06-11-2022, 08:11 PM   #7
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I am such a dummy. I figured it out-- I had it bypassed! Hope I didn't torch my water heater by having it on with no water in it.

Sheesh...can't believe I shared this in public.

Thanks for responding and getting me there.
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