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Old 01-05-2020, 07:08 PM   #1
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Question Blender Valve ???

My 2020 ‘19 TB (disregard my profile vehicle) has a brass valve, with round handle, like a water spigot. The 2 ports onthe valve say “H” and “C” on the opposite side. I “assume” this blends water temperature since it is under/near the water heater plumbing (under driver-side ottoman).

Does anyone have a procedure for adjusting/blending with this valve?? I’m gonna try different settings: full CW then full CCW to see effect......hoping to get some input/opinions on this plumbing.......
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Old 01-05-2020, 07:57 PM   #2
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Not quite sure what you're referring to. A picture would help. Perhaps somebody with your exact model will reply.

Are you certain the two valves you mention aren't the low point drain valves? There are two low point drain valves, usually in an out of the way location, one for hot and one for cold. The valves typically look like a handle you might see on a faucet or used in under-sink plumbing.

on edit: maybe this is the water heater bypass valve used in the winterizing procedure.
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Old 01-06-2020, 07:04 PM   #3
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I don't recall any adjustment on mine. I had to remove mine once because there was very little hot water flow. I cleaned it by soaking in CLR and it worked fine thereafter. I wonder if yours simply needs to be cleaned rather than adjusted?
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Old 01-07-2020, 06:27 AM   #4
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Talking Brass H & C valve

Titus.....flow is good....brand new machine,, so I doubt there is corrosion builup.....just looks lioke an extra valve to me....bnetween heater drain petcock and bypass valve !!
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Old 01-07-2020, 09:07 AM   #5
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Is there as much flow with a faucet in the hot position as in the cold? When working correctly mine had about equal flow in both positions. When plugged the hot flow was much less. I am speculating that mine may have got plugged when I was quickly filling the empty water heater (de-winterizing the rig) using shore water - thus stirring up debris in the botom of the tank. So I now slowly fill the water heater. I don't recall a heater drain petcock on mine - just the bypass valve and mixer valve.
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Old 01-22-2020, 10:58 AM   #6
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Question “Blender Valve” pic

Sorry for big delay...... I’m calling this brass valve a “blender” because it has a Hot side & a cold side stamped on it....
2020 19’ IS 2wd....TIA.....picture is sideways......too dumb to correct
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Old 01-22-2020, 11:52 AM   #7
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Quote:
Originally Posted by Beemerman View Post
My 2020 ‘19 TB (disregard my profile vehicle) has a brass valve, with round handle, like a water spigot. The 2 ports onthe valve say “H” and “C” on the opposite side. I “assume” this blends water temperature since it is under/near the water heater plumbing (under driver-side ottoman).

Does anyone have a procedure for adjusting/blending with this valve?? I’m gonna try different settings: full CW then full CCW to see effect......hoping to get some input/opinions on this plumbing.......
Quote:
Originally Posted by Beemerman View Post
Sorry for big delay...... I’m calling this brass valve a “blender” because it has a Hot side & a cold side stamped on it....
2020 19’ IS 2wd....TIA.....picture is sideways......too dumb to correct
Where does the third pipe go to? [the red pipe -- on the right of your photo, as posted]

To the shower valve maybe, or to the entire plumbing system, as "tempered" hot water? [which is now "blended" so as not to scald one's skin]

Does your owner's manual cover this?

Peter
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Old 01-23-2020, 12:53 PM   #8
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Unhappy Owners’ manual

Otra....theOwners’ Manual is fairly good, but no mention. My EXT owners manual was very inclusive for the model. It appears there was a “rush” to get the 2020 19’ manuals in print.....lots of stuff that doesn’t even apply, or available to the 19 footers !!! Some items not even mentioned.
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Old 01-23-2020, 05:38 PM   #9
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In your manual there should be a pamphlet for the water heater, that might include instruction.
This video might help>
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Old 01-23-2020, 06:28 PM   #10
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Otra....theOwners’ Manual is fairly good, but no mention.
. . .
How about these questions in Post #7 . . . can you see where that red pipe goes?

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Originally Posted by OTRA15 View Post
Where does the third pipe go to? [the red pipe -- on the right of your photo, as posted]

To the shower valve maybe, or to the entire plumbing system, as "tempered" hot water? [which is now "blended" so as not to scald one's skin]
. . .

Do you have an Alde system, as Alan seems to suggest?


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Old 01-23-2020, 06:33 PM   #11
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. . .
This video might help>
. . .
Does the OP's 2020 19' TB have an Alde system?

Quote:
Originally Posted by Beemerman View Post
My 2020 ‘19 TB (disregard my profile vehicle) has a brass valve, with round handle, like a water spigot.
. . .
Peter
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Old 01-23-2020, 07:03 PM   #12
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Exclamation Water valve: Truma system

Hi guys.....the new 2020’s have the awesome Truma hot water/heater system. Can be powered by LP, lo amp AC,Hi amp AC, or a combination. I use the Lo (800w) system with shore pwr in driveway.
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Old 01-23-2020, 07:08 PM   #13
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Thumbs up All: good video

Video might have answered my question(s). Different brand, but same concept....thanks all....the 19 footers have many “unique” systems, compared to the older (2019) systems
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Old 01-24-2020, 12:06 PM   #14
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Hi guys.....the new 2020’s have the awesome Truma hot water/heater system. Can be powered by LP, lo amp AC,Hi amp AC, or a combination. I use the Lo (800w) system with shore pwr in driveway.
Thanks for the update, and glad that Alan's video was helpful.

Quote:
Originally Posted by Beemerman View Post
Video might have answered my question(s). Different brand, but same concept....thanks all....the 19 footers have many “unique” systems, compared to the older (2019) systems
Please tell us the answer you have found for your particular valve, and whether that red pipe is a "whole system" hot water tempering valve, or just for the shower maybe?

Thanks,

Peter
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