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Old 10-11-2016, 03:40 PM   #1
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What are these for?

My manual doesn't tell me. I have a separate city water connection. Are these just drains? I winterized last night for the first time, and noticed I didn't seem to have a shut-off for the hot water tank, so it took about 8 gallons of rv anti-freeze. Do I remove drain plug from hot water tank when I'm done?

Anyway, I've noticed these two connectors, but no idea of their purpose.
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Old 10-11-2016, 03:42 PM   #2
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They look like low point drains.
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Old 10-11-2016, 03:50 PM   #3
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Looks like the low point drains for your hot and cold water supply
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Old 10-11-2016, 04:40 PM   #4
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I have those two drains (that I believe drain my water heater). I have a third drain about 12" away from those two pictured that drain my fresh water tank.
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Old 10-11-2016, 04:47 PM   #5
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The water heater drain plug is behind the water heater access panel.

You can install a water heater bypass so you do not have to fill the water heater with antifreeze just to clear the hot water lines.

You can drain the antifreeze back out of the hot water heater and save it for next time.

You can also collect the water from the low point drains you pictured under the belly and reuse that as well.

I use 2 gallons to winterize and get 1 gallon back when I drain it out.
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Old 10-11-2016, 04:48 PM   #6
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Thanks for the replies. Guess I should've drained those before starting the winterizing, but should be okay. Supposed to be down to 14 degrees tonight...brrrrr....
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Old 10-11-2016, 04:49 PM   #7
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Thanks for the replies. Guess I should've drained those before starting the winterizing, but should be okay. Supposed to be down to 14 degrees tonight...brrrrr....
Winterize first, then drain everything. Less splashing and sputtering that way. keeps the pink crap off of all the sinks and fixtures.
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Old 10-11-2016, 04:50 PM   #8
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I'd drain the hot water tank, just to install a bypass, but now that it's full of pink stuff, be ready for a big pink mess. And then, over the winter, get you a bypass kit and a half case of beer and get busy. Otherwise, no real need to drain it until it's time to flush, at which time I'd drain the pink stuff from the tank first, leave the plug out while I flush the incoming line to the tank really good, install the plug and flush the out going line thru the hot water system to the shower, sinks, outside shower and the low point. Get the pink outta the low points too.
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Old 10-12-2016, 08:09 AM   #9
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Never heard of filling the water heater with pink before. I just pull the low drain plug and then the anode and let it drain. I bypass the water heater and blow out the lines before pulling the pink they the pump and I make sure I replace the anode and put pink in the commode. I check on it every month and replace the damp rid as needed.
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Old 10-12-2016, 11:01 AM   #10
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Never heard of filling the water heater with pink before. I just pull the low drain plug and then the anode and let it drain. I bypass the water heater and blow out the lines before pulling the pink they the pump and I make sure I replace the anode and put pink in the commode. I check on it every month and replace the damp rid as needed.
OP did not have a water heater bypass installed, that's why he ended up having to fill the water heater tank to flush the hot water lines.
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Old 10-12-2016, 02:08 PM   #11
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veg oil

put some in thee toilet, will not dry up and keep the seal from drying out.


Jim
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Old 10-12-2016, 02:32 PM   #12
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Did you look at valving on backside of water heater tank (located inside rv )?????

Bet you have some valving associated with hot/cold on water heater
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Old 10-14-2016, 08:15 PM   #13
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Wasn't saying he did anything wrong. Just that I hadn't heard of it before....
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Old 10-16-2016, 08:30 AM   #14
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Those are the low-point drains--red for hot, blue for cold. They have plugs in them probably you don't have upstream shutoff valves.
And, yes, you have a fresh water tank drain valve somewhere...
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