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Old 11-07-2017, 07:39 AM   #1
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Only have 2 valves on Water Heater??

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Originally Posted by gadgetgeek View Post
If yours is like the 2017 274DBH, under the side next to the bed. You can install a door like I did. See the mod with pictures here: http://www.forestriverforums.com/for...-104055-4.html

Good luck.
I donít mean to hijack your thread but I have a quick question. We purchased a 2017 274dbh and are trying to winterize it. I crawled through the front passage and only found a valve on the red line and blue line but not one on the heater. Basically the owners manual picture looks nothing like the set up I have. I opened all faucets, opened both low point drains, pulled the ďpurgeĒ valve on the heater from the outside and let it drain. Then ran the pump for about 15 secs until I had no more water even dripping. Is it safe to load the RV antifreeze in now or is there another valve somewhere that I am missing? I know they mention a heater bypass valve but I canít find it for the life of me, just the 2 on the colored lines.
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Old 11-07-2017, 08:01 AM   #2
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I donít mean to hijack your thread but I have a quick question. We purchased a 2017 274dbh and are trying to winterize it. I crawled through the front passage and only found a valve on the red line and blue line but not one on the heater. Basically the owners manual picture looks nothing like the set up I have. I opened all faucets, opened both low point drains, pulled the ďpurgeĒ valve on the heater from the outside and let it drain. Then ran the pump for about 15 secs until I had no more water even dripping. Is it safe to load the RV antifreeze in now or is there another valve somewhere that I am missing? I know they mention a heater bypass valve but I canít find it for the life of me, just the 2 on the colored lines.
On my 2018 Cherokee 304, I have the same two valves right on the lines going to heater. There is an additional line that loops the two valves together and no third valve. If that is what you have, you just turn those two valves on the heater and it's isolated.
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Old 11-07-2017, 08:04 AM   #3
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Is yours similar to post# 2 in this thread:

http://www.forestriverforums.com/for...ml#post1341683
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Old 11-07-2017, 08:10 AM   #4
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Yes I only have 2 white valves in front of the styrofoam box that I am guessing is the hot water tank. 1 on a blue line, 1 on a red line.
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Old 11-07-2017, 08:13 AM   #5
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Yes I only have 2 white valves in front of the styrofoam box that I am guessing is the hot water tank. 1 on a blue line, 1 on a red line.
That link explains how they operate in order to bypass the system then as TheWolfPaq82 stated.
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Old 11-07-2017, 08:17 AM   #6
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The two valves shown in this photo are in Normal SUMMER mode.
To set for bypass - simply turn both valve handles 90 degrees.
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Old 11-07-2017, 08:24 AM   #7
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Pulling the purge valve lever will not drain the water heater tank. You must remove the anode at the bottom. 1 1/16" socket required. Leave the anode out until you dewinterize.
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Old 11-07-2017, 08:24 AM   #8
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Thank you for the help. Following the lines I had a feeling that was how they worked but wanted to make sure the 3rd elusive valve wasnít around there somewhere. Now I can get my wife off my backside about winterizing the camper. 😉
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Old 11-07-2017, 09:11 AM   #9
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Leave the anode out until you dewinterize.
Just to add a little here, is if you do leave the anode rod out all winter...it's advisable to get a nylon/pvc plug to install back in the threaded hole.

This will help keep the threads from rusting, as well as keep bugs/creatures from being able to get into the tank/lines.

We also keep a series of Suburban instructional videos at this thread link that may help in other matters;

http://www.forestriverforums.com/for...es-135977.html
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Old 11-07-2017, 09:37 AM   #10
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The two valves shown in this photo are in Normal SUMMER mode.
To set for bypass - simply turn both valve handles 90 degrees.
Actually, that top valve is turned the wrong way to be in normal mode. The way it's set up, water will flow into the WH but never come back out again.
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Old 11-07-2017, 09:43 AM   #11
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Actually, that top valve is turned the wrong way to be in normal mode. The way it's set up, water will flow into the WH but never come back out again.
Looks good to me. Look again.
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Old 11-07-2017, 09:46 AM   #12
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Looks good to me. Look again.
Ah... you're right. That top valve is at a weird angle. I didn't realize I was looking at the back of it.

Carry on!
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Old 11-07-2017, 09:52 AM   #13
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Ah... you're right. That top valve is at a weird angle. I didn't realize I was looking at the back of it.

Carry on!
Ya, I had to enlarge the photo to really see what was going on.
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Old 11-07-2017, 10:51 AM   #14
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At least they're close to WH. My sons, the cross over is about 3 ft from the WH and I had to show him that he still needed to push a little AF thru the line to WH to remove that 3 feet of water in the cold water line. Afterwards we used a wand on garden hose to flush out the WH to remove any residual AF. In the spring, we're going to relocate the valves right at the WH to eliminate that problem. Freaking CW dealer installation.
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