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Old 04-09-2011, 09:52 AM   #11
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I have two sets of low point drains as well, I have two water tanks one for draining each tank. The other set are for draining the lines one for cold other for hot.
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Old 04-09-2011, 02:55 PM   #12
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No, do not pull the low point drains. There should be a separate valve somewhere on the water line that runs from the fresh water tank to the water pump. That's the one that drains the tank.
Are you talking about a valve under the trailer? We haven't used fresh water but once so newbie to us. I love these newbie questions, because we're still learning and they usually help us. Also, someone mentioned draining the HWH without pulling the zinc, or whatever it is. Can that be explained better? Hope it's okay to horn in this way.
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Old 04-09-2011, 07:15 PM   #13
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I drain the hot water heater using the low point drains. I have two valves under my fridge that drain the plumbing (I assume my outside valves are for the tank). When I open those to drain the line, I go around and open the pressure relief valve on the hot water heather. This allows the water in the HWH to drain back into the plumbing, and thus out of the drains. Much easier than pulling the plug (difficult to get a wrench or socket on mine).

I drain my lines at the end of each trip so that the water doesn't get musty in the HWH if the trailer sits for a couple of weeks.
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Old 04-09-2011, 10:29 PM   #14
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I'll use that tip.
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Old 04-10-2011, 06:13 AM   #15
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The low point drains will not totally drain your water heater.
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Old 04-10-2011, 09:11 AM   #16
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They drain it just as much as the pulling the plug.... I tested it the first time I tried. I drained using the low points, and then went and pulled the plug. Nothing came out of the water heater. Maybe it's not the same on every model, but you can test it the same way I did to be sure.
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Old 04-10-2011, 09:46 AM   #17
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Are you talking about a valve under the trailer? We haven't used fresh water but once so newbie to us. I love these newbie questions, because we're still learning and they usually help us. ...
Sorry, I can't really tell you the location of the valve because I am not intimately familiar with the location of all the tanks, valves, water lines, waste lines and water pump on your rig. To find your fresh water tank's drain valve, I suggest you start by finding where the water line connects to the fresh water tank (it's going to be somewhere on one of the sides at the bottom of the tank or, possibly, even underneath the tank). Then try to follow the water line until you find the valve.

What might be even easier is to simply call or email Jayco. I prefer to email them as that way the response is in writing and there's nothing that will be forgotten ten minutes after you hang up the phone. Plus, you can print and file the response should you need to refer to it in the future.


Quote:
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...Also, someone mentioned draining the HWH without pulling the zinc, or whatever it is. Can that be explained better? Hope it's okay to horn in this way.
I believe what they're referring to is a "sacrificial anode"- a rod sometimes used in electric HWTs to help prevent corrosion of the tank by having the rod corrode instead. Hence the name- sacrificial.

To the best of my knowledge, I've only seen these used in Suburban HWTs. Atwood HWTs (which Jayco has historically used) don't use sacrificial anodes so there's nothing to be concerned about.


As for removing the drain plug on the HWT. On my 6 gal. Atwood DSI (and this is the only make/model I can vouch for although I believe all other Atwood 6 & 10 gallon HWTs are similar), I can easily remove the nylon plug using a 7/8" (I think) 6 point socket with a short extension. I only unscrew it until it can be turned by hand and then remove the socket. I discovered that if I try to unscrew it all the way with the socket, it eventually hits against one of the parts of the tank, thus prohibiting its removal.
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Old 04-10-2011, 11:55 AM   #18
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Thanks to all, and, FPM, our former Forest River had a sacrificial zinc, I call them from our boating days in salt water. I'll double check when we get the Jayco. Just finished my taxes and am nearly blind!
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Old 04-10-2011, 12:33 PM   #19
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I drain my tank as well by removing the plug with a socket and extension. No anodes in the Attwoods as FPM said.
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