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Old 10-27-2015, 11:02 AM   #337
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Noting the water pressure accumulator discussion, I mounted ours vertical with the plumbing at the bottom. My concern was the accumulator would not drain well during winterization if mounted horizontally. What do you think?

The accumulator certainly did smooth out the water delivery on city water or from the tank, and also takes up any expansion in the system when heating water. I don't think it made the pump much quieter though.
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Old 10-27-2015, 02:58 PM   #338
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[Does anyone here have a brass valve under the fresh water tank, like the one pictured here? http://www.airforums.com/forums/f516...ml#post1702138] I have only the plastic drain but would like to eventually replace with brass.
I agree, it looks like propane but certainly propane isnít routed through a water tank. Maybe it is a way to pressurize the tank? Actually it looks like tail hook waiting to be caught on something. All the reason to go brass on the tank drain.

I couldnít quickly find the reference but there was discussion of the Shurflo model. Our 2014 has a 4900 02XX and the image is blurred. Iíll confirm this weekend when I winterize but suspect like IDROBA indicated 4900 0201. I have to presume the variable speed aspect as weíve been on city water

OTRA15: [Not sure if this was a hint for me to get back on-topic, but as I said in Post 301, I would be very happy to start a new thread(s) on the various issues: pump, fridge fan, winterizing, etc.).

Personally, I really LIKE the way this particular thread focuses on the exact model we have, as even a so-called "off-topic" post can get me looking for, or proactively forestalling perhaps, a problem. As well, the wandering-about with music links fits the spirit of being On The Road Again ["OTRA"] IMO, but obviously everyone will feel differently.]

Iím with Peter. I prefer the continuous thread for our specific model. It is hard to keep up with all the various other model threads that may have some applicability.
As for the tunes, I again agree with Peter. Personally I think music is an integral part of life and especially life on the road. Both deserve to be explored. Having said that, I understand [obviously everyone will feel differently] Iíll be respectful of the thread. Until then....
PS2 -- Yee Ha !!! (Neck and Neck)
At time stamp 34:35 -- The Next Time I'm in Town -- another good road song . and the cut just before Next Time...ďIíll see you in my dreamsĒ a great tune too. This is one of our favorite CDís.

PS3 from PBS in 1987 -- nice
. . .great cast of ďfriendsĒ Iíd have to search to see if this is available on disc or download. Thanks!
Bob
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Old 10-27-2015, 03:26 PM   #339
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Agree. Also need to assure the connecting hoses are routed to drain or blow out with air easily and completely. I get to crawl into the under sink area this fall to install mine. Since I changed to a tankless water heater I need an accumulator to smooth out the flow and stop short cycling the pump. Our pump is not too noisy, but the on/off pulsing is irritating, and can't be real good for it.


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Old 10-27-2015, 05:36 PM   #340
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Originally Posted by dkottum View Post
Noting the water pressure accumulator discussion, I mounted ours vertical with the plumbing at the bottom. My concern was the accumulator would not drain well during winterization if mounted horizontally. What do you think?

The accumulator certainly did smooth out the water delivery on city water or from the tank, and also takes up any expansion in the system when heating water. I don't think it made the pump much quieter though.
Thanks doug, I may go for one next year. Did you use the black plastic one which is pre-filled with air behind the bladder (as I understand it), similar to what TCWheels pictured in Post #309 here? If so, regarding winterization, I would not be confident that gravity will drain this completely, although I do like the idea of mounting it vertically. Does the manufacturer's installation instruction sheet say anything about winterization? The more expensive metal accumulators have an air valve on the end I think, but I am not clear about how this is used or winterized.

Because any accumulator is between the pump and the "T" where the pump discharge connects with the city water supply, I assume that when one uses air pressure to blow out the plumbing lines, this does not reach the accumulator at all. Does the mfg. recommend draining the unit in some way each Fall? If so, another good reason to mount the accumulator in the rear storage area of our FC20 units. [Not sure where yours is located doug.]
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Old 10-27-2015, 06:16 PM   #341
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Thanks Bob for the comments on music in this thread. Happy to move on to a new thread if anyone wishes . . . Thanks also for the suggestions on further Chet Atkins tunes. I don't think that 1987 PBS special is available on their store, at least on a quick look.

An update on the pump and winterization --

Our forecast through Thanksgiving does not predict any serious cold weather, so I "summer-ized" the pipes today, and plan to go to the local county campground to spend a night or two, and to dump my black water tank. I am not set up to do this at my rental cottage, although I can drain the grey water into the garden especially as it is mostly water at this point.

We are thinking of taking the trailer south to at least Virginia during Thanksgiving week. After that, who knows what!

The new pump dampener feet seem to have made a big difference in the noise, although I still need to put the large drawer back under the oven to make a final assessment. I never made contact with the HVAC contractor who I know will be able to supply the quietest feet for this. For now I just wanted it all back together.

Glad I did the initial winterization, pump dampener foot pads, and recent summerization, as I feel much more comfortable heading South, now more familiar with the coach's innards.


"Just Can't Wait To Get On The Road Again . . . "

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Old 10-27-2015, 07:14 PM   #342
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Mazoolah,
Miss your contributions....hoping as the originator of this "20 Footer Thread" you jump back on board!
Hi! Mazoolah and I have been so busy traveling with the trailer we haven't had a moment to jump onto the forum. And when we are home, we are either at work or falling asleep before nine!
We had a great summer and fall with our 20'fc. We were able to take it out almost every other weekend. But now it's getting close to the time to put it away for the season. Once it's tucked away in storage - I'm sure you will more postings!
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Old 10-27-2015, 07:22 PM   #343
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Mazoolah,
Miss your contributions....hoping as the originator of this "20 Footer Thread" you jump back on board!
Well Thanks ! I'm still lurking around , mostly just using the trailer as much as possible this summer . Starting to think about storage ,hoping to get a trip in somewhere before thanksgiving . We have a garage rental lined up for the winter but curious anybody using a portable carport/garage ?
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Old 10-27-2015, 09:19 PM   #344
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I'm totally in with letting the thread wander around - with the focal point being our 20s.
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Old 10-27-2015, 09:33 PM   #345
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We're heading to the Carolinas the second week in November for two weeks and joining the Hunting Island Hiatus rally on 14th and 15th. We're staying outside Asheville NC a few days before the rally and at Edisto Beach a few days after. Anybody going to be in that area then?

We store in a heated garage so I've not winterized yet and plan to do that after we return. I just drain the FW tank and WH tank use the compressor to blow out the lines. This year I'm adding RV anti-freeze to the traps. We haven't traveled with the AS in cold weather so I've been reading threads about that and I think we'll be fine driving down without winterizing completely. Thoughts?
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Old 10-27-2015, 09:51 PM   #346
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Do you have tank heaters? My coach happened to have them, and they are good insurance in marginal weather I guess. No experience with them as my 1985 25' AS was more basic. At least you know your trailer well, so could do a basic winterization quickly as needed. I have been following a few winterization threads which I will look for and post.

I posted some links in a few threads about The Appalachians and Asheville weather, including these monthly overviews which are helpful for planning IMO --

Virginia Beach:

Virginia Beach November Weather 2015 - AccuWeather Forecast for VA 23451

Asheville:

Asheville November Weather 2015 - AccuWeather Forecast for NC 28801

Beaufort SC:

http://www.accuweather.com/en/us/bea...onyr=11/1/2015

Note the graphs at the bottom, which are very handy to check each day if any dodgy cold weather threatens.

Have fun on your trip. I will post our progress after Thanksgiving in case we are in the same area. Have you considered starting your own thread for the trip?
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Old 10-27-2015, 10:04 PM   #347
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FWIW -- Here are some of the threads about winterizing which I have bookmarked to follow over the last few months. You have probably seen most of them already.

http://www.airforums.com/forums/f462...re-142731.html
http://www.airforums.com/forums/f458...ns-142468.html
http://www.airforums.com/forums/f458...ng-142478.html
http://www.airforums.com/forums/f382...0f-142250.html
http://www.airforums.com/forums/f382...ng-141977.html
http://www.airforums.com/forums/f458...er-142064.html
http://www.airforums.com/forums/f295...am-141951.html
http://www.airforums.com/forums/f462...th-141767.html

And one about Asheville NC:
http://www.airforums.com/forums/f42/...ue-142004.html

TCwheels you seem more experienced than most of the posters in these threads, so sorry for all the reading possibilities, but here it is for your information and for what it's worth.

Have fun!

Peter
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Old 10-27-2015, 10:14 PM   #348
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We mounted the water pressure accumulator under the sink in our 25 (we also owned a 20). I don't recall there is a specific orientation, just that it must be installed on a cold water line, and anywhere on a cold water line. It comes from the factory preloaded to 30 psi and we found that is a good setting, however there is a schrader valve on the end to add more or less air.
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Old 10-28-2015, 05:43 AM   #349
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Nice easy accessible location in your 25,' doug, and thanks for the photo. Those are the standard SS braided risers I believe? I guess gravity would do an OK job of draining the accumulator if you removed the two risers and let them also drain on a towel, after doing all the other gravity and compressed air work for winterization. Still curious what the mfg. recommends.

As you may recall, in our FC20 units the space under the large drawer under the oven is not so user friendly! I will post a photo when this Air Forums site sorts out its photo attachment issues.

TCwheels may not have to winterize his new accumulator perfectly, as he just mentioned that his coach spends the winter in a heated garage. Nice!
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Old 10-28-2015, 08:40 AM   #350
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Hello, I use to own a 2011 20'

On the water pump noise, a computer mouse pad under the pump will quite it down a lot. The pump does not need to be screwed down tight. Just enough to keep it from walking around during travels and use. The actuator tank is also not needed or recommended. There is an adjustment screw on the front of the pump. It's on the pressure switch. They can come loose during travels. All you need to do is tweak the screw one way or the other. Higher pressure equal shorter cycles.

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