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Old 10-19-2021, 04:21 PM   #1
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Tiffin water drain lines question

Hi,

I've been away from IRV2 for awhile. I have a question about water drain lines. In the photo (hopefully attached), there are three drain lines. I think the one on the right is the fresh water tank drain. It takes quite a while to drain. What are the other two for? Is one connected to the hot water heater? Thanks for any help!
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Old 10-19-2021, 04:30 PM   #2
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They are usually called low point drains and are used to drain the lines during winterizing your MH?
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Old 10-19-2021, 05:38 PM   #3
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Red is your hot water drain lines and blue is cold water. You donít have a drain directly under your fresh water tank? Also, you should have a bypass for your hot water heater, and will need to remove the anode to drain it.
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Old 10-19-2021, 08:18 PM   #4
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If you are a little rusty on winterizing, go on the Tiffin motorhome website and click on owners and then on videos. There is a pretty good video on winterizing procedure. Your coach may vary but it should steer you in the right direction.
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Old 10-20-2021, 06:53 AM   #5
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Hi,

Original poster here. I don't winterize, as I park it in a heated garage. What I want to know is what each of those drain lines does. Thanks!
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Old 10-20-2021, 08:09 AM   #6
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I think they are the low point drains for your kitchen & bathroom lines. One blue to one faucet, one blue to the other faucet. Red is hot water.

Just shut off the water pump, open one up, drain it, close the drain, turn the pump back on, then see which faucet has air in the line.

And then label them.
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Old 10-20-2021, 02:03 PM   #7
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I forgot about the shower. It could be one of the two blue lines. It just depends on how your MH is plumbed. If bath & kitchen sinks are on one side & shower is on the other, then each side is probably one line.
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