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07-14-2009, 06:13 PM
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#1
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Remember, Safety Third
1973 27' Overlander
Catfish Corners
, Georgia
Join Date: Oct 2004
Posts: 5,720
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Bowen Water Heater Rebuild, thoughts?
I've be toying around with the idea of rebuilding the original Bowen G10B water heater. The cheapest new WH I can find comes in at around $425 plus taxes and shipping. New parts to rebuild for about $200 (From MarksRV online). Sounds like a no-brainer.
So what am I missing here? The WH was holding a full tank of water when we got the camper. The intention here is to take the thing apart, test the tank for water tightness and other obvious damage/wear. Case needs some light sanding & painting. Appreciate any advice.
Jim
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07-14-2009, 06:42 PM
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#2
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Moderator
Vintage Kin Owner
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Join Date: Jul 2007
Posts: 11,696
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Quote:
Originally Posted by Jim & Susan
I've be toying around with the idea of rebuilding the original Bowen G10B water heater. The cheapest new WH I can find comes in at around $425 plus taxes and shipping. New parts to rebuild for about $200 (From MarksRV online). Sounds like a no-brainer.
So what am I missing here? The WH was holding a full tank of water when we got the camper. The intention here is to take the thing apart, test the tank for water tightness and other obvious damage/wear. Case needs some light sanding & painting. Appreciate any advice.
Jim
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The main concern for me would be the condition of the tank. I would not suspect significant cross sectional (wall) loss resulting from wear or use, but I would be very concerned about localized pitting and anodic corrosion.
We perform thickness survey work on hundreds of tanks every year, and it is reasonable to state that a 36 year old tank is likely near the end of it's service life. That being said, if you put $200 into it and end up losing the tank in the next year, would you feel that it was money well spent?
I'm all for saving the $$$$ but if I were in your shoes, I'd bite the bullet and spend the extra cash for my own peace of mind.
Just my very humble opinion.
Regards,
Kevin
__________________
"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."
William C. Swinney
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07-14-2009, 06:52 PM
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#3
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Remember, Safety Third
1973 27' Overlander
Catfish Corners
, Georgia
Join Date: Oct 2004
Posts: 5,720
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Thanks Kevin. That's the kind of info I was hoping somebody would have. I'm in the process of taking the WH apart right now. Lots of green buildup on the inlet, outlet and drain. I'm beginning to suspect hard water deposits had a part in that. The fresh water tank definitely had hard water deposits inside the tank. Took quite a bit of work to get it all out of there.
Do you work for an RV dealership or plumbing company? Sounds like you are in the business.
Jim
On edit: I also meant to ask if there is a way for a rookie like me to determine if the tank has any of the problems you describe.
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07-14-2009, 07:03 PM
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#4
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Moderator
Vintage Kin Owner
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, ...
Join Date: Jul 2007
Posts: 11,696
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Quote:
Originally Posted by Jim & Susan
Thanks Kevin. That's the kind of info I was hoping somebody would have. I'm in the process of taking the WH apart right now. Lots of green buildup on the inlet, outlet and drain. I'm beginning to suspect hard water deposits had a part in that. The fresh water tank definitely had hard water deposits inside the tank. Took quite a bit of work to get it all out of there.
Do you work for an RV dealership or plumbing company? Sounds like you are in the business.
Jim
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I'm in the engineering consulting business. We work primarily on pressure vessels, towers, and bridges. I'm heavily involved in the nondestructive testing portion of the business which includes industrial x-ray, ultrasonics, magnetic particle, etc...
We evaluate several hundred pressure vessels annually. I've seen 40 year old vessels that look brand spanking new, then the next week we look at another that is less than 10 years old and it needs to be replaced already.
I've read the first 30 pages of your full monte thread...and I still plan to pursue the same efforts on our 76 beginning in September. So I'll be looking for some sympathy support soon.
Take Care,
Kevin
__________________
"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."
William C. Swinney
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07-14-2009, 08:12 PM
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#6
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Remember, Safety Third
1973 27' Overlander
Catfish Corners
, Georgia
Join Date: Oct 2004
Posts: 5,720
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Quote:
Originally Posted by Kevin245
...... I've read the first 30 pages of your full monte thread...and I still plan to pursue the same efforts on our 76 beginning in September. So I'll be looking for some sympathy support soon.
Take Care,
Kevin
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Ha, good luck with that! You have a couple of advantages on me--an engineering degree and probably a lot more money (which would be pretty easy, actually).
Is there any way that I could have the tank evaluated without spending a lot of money? Or, could I look at it myself--what would do I look for? I've got it torn down far enough to see that there are definitely hard water deposits around the various openings. Tank appears to made of aluminum or aluminum composite. What would a tank like this be lined with on the inside? Or is it simply a large aluminum tank?
Thanks for help on this.
Jim
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07-14-2009, 08:12 PM
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#7
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Rivet Master
1966 24' Tradewind
Placerville
, California
Join Date: Apr 2006
Posts: 3,328
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I would get a new one. Shop the RV parts sites there are sometimes good deals. A neighbor asked me recently where and I did a look-a-round and found an Atwood for less than $300. It was still too steep for him so I suggested an RV salvage yard (RV Dr. George) and he got a good used water heater for $150. Still the tank should be the question.
Neil.
__________________
Neil and Lynn Holman
FreshAir #12407
Avatar;
Kirk Creek, Big Sur, Ca. coast.
1966 Trade Wind
1971 Buick Centurion convertible
455 cid
1969 Oldsmobile Ninety Eight
455 cid
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07-14-2009, 08:17 PM
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#8
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Remember, Safety Third
1973 27' Overlander
Catfish Corners
, Georgia
Join Date: Oct 2004
Posts: 5,720
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Thanks for that link Gary. No taxes or shipping on top of a good price. I think I have my answer.
On Edit: And thanks to you too, Neil. I'll have to call RV DR George tomorrow.
Jim
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07-15-2009, 12:26 AM
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#9
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Rivet Master
1966 24' Tradewind
Placerville
, California
Join Date: Apr 2006
Posts: 3,328
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Quote:
Originally Posted by Jim & Susan
On Edit: And thanks to you too, Neil. I'll have to call RV DR George tomorrow.
Jim
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Here you are; RV Doctor George
Neil
__________________
Neil and Lynn Holman
FreshAir #12407
Avatar;
Kirk Creek, Big Sur, Ca. coast.
1966 Trade Wind
1971 Buick Centurion convertible
455 cid
1969 Oldsmobile Ninety Eight
455 cid
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09-28-2009, 03:20 PM
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#10
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1 Rivet Member
1972 29' Ambassador
trenton
, Tennessee
Join Date: Aug 2009
Posts: 11
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Quote:
Originally Posted by Jim & Susan
I've be toying around with the idea of rebuilding the original Bowen G10B water heater. The cheapest new WH I can find comes in at around $425 plus taxes and shipping. New parts to rebuild for about $200 (From MarksRV online). Sounds like a no-brainer.
So what am I missing here? The WH was holding a full tank of water when we got the camper. The intention here is to take the thing apart, test the tank for water tightness and other obvious damage/wear. Case needs some light sanding & painting. Appreciate any advice.
Jim
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Jim,
What did you end up doing? I just pulled my Bowen G10B out, claened out the sediment in the tank and upon testing the gas control valve discovered it leaks. I'm torn between rebuild or replace.....what do you think?
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09-28-2009, 03:51 PM
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#11
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2 Rivet Member
1975 25' Tradewind
Hanover
, Pennsylvania
Join Date: Aug 2009
Posts: 80
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Quote:
Originally Posted by Pirate4hire
I just pulled my Bowen G10B out, claened out the sediment in the tank and upon testing the gas control valve discovered it leaks. I'm torn between rebuild or replace.....what do you think?
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Sorry I know you were directing your question to Jim, but I thought I would just suggest a link for you if you decide to buy a new HWH... Atwood 6 Gallon Water Heater Pilot Model RV Camper - $274.99..
The link above is for a brand new "scratched/dented" model, w/ manufacturers warranty, manual light, and probably closely matches what you currently have, and is priced at only $274.99. I just ordered a similar Atwood 6 gal HWH (w/ electronic start) from the same place a few weeks ago for my '75 Trade Wind and I paid $379 (minus shipping $37). It slid right in with minimal effort. Mine was not a scratched or dented model only because they didn't have electronic start models that were scratched or dented, or I would have. Mine also didn't come with a door, which I had no use for anyway since I wanted to reuse my original door. Ordered online Monday night, was delivered to my house on Thursday.
Just a recommendation since I had good luck and was very happy with the price and delivery time.
EDIT: Forgot to mention...if you choose to rebuild I still have my old HWH so I may be able to get the control valve off. I can't guarantee it works but I would guess it does. If you want it, it's yours for the cost of shipping. I didn't opt to fix mine because the tank had a hole and my local RV place wanted $200 for a new tank. If your interested just send a PM.
Edit #2: It just occurred to me that you have a 10 gal model, not 6 gal, sorry. I'm attaching two photos showing the control valve I have, so you can see if you think it would work for you or not, I don't know if those valves are different on the different models (6 gal vs 10 gal).
-Eric
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09-28-2009, 07:05 PM
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#12
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Remember, Safety Third
1973 27' Overlander
Catfish Corners
, Georgia
Join Date: Oct 2004
Posts: 5,720
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Quote:
Originally Posted by Pirate4hire
Jim,
What did you end up doing? ....... I'm torn between rebuild or replace.....what do you think?
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I took Kevin's advice in posts 2 & 4 above. I'm going to buy a new one. Still haven't gotten it yet.
For one thing, I tried taking the old one apart thinking that maybe somebody would want some of the parts off of it. It was nearly impossible to take parts off the dang thing. Everything seemed to be frozen in place. I would surely have broken most everything. Primary concern was the fact that this is a gas appliance. I don't really want to "guess" that I rebuilt it correctly and there was the point Kevin made about the tank itself failing 6 months down the road after a rebuild.
Jim
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09-28-2009, 07:45 PM
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#13
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Rivet Master
San Angelo
, Texas
Join Date: May 2005
Posts: 1,254
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Wise move, Jim. Our Bowen gave up the ghost in 2006, when we were in Portland. We ended up at Fred's RV and camped there for the night, after the gate closed on us accidentally...we were locked in. Fortunately for us, the folks at Fred's were way cool. We had a new DSI Gas/110v Atwood within the day..gave us the time to go to the International in Salem and the Portland Zoo. If memory serves me correctly, that little hiatus cost us in the neighborhood of $1100...wasn't cheap by any stretch of the imagination, but compared to not having hot water, it was a good thing we had the money.
__________________
Frederic
1971 Sovereign International - SOLD
2004 F-350 King Ranch
AIR # 8239
EX-WBCCI # 8371
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09-29-2009, 05:57 AM
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#14
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1 Rivet Member
1972 29' Ambassador
trenton
, Tennessee
Join Date: Aug 2009
Posts: 11
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Quote:
Originally Posted by Emerson77
Sorry I know you were directing your question to Jim, but I thought I would just suggest a link for you if you decide to buy a new HWH... Atwood 6 Gallon Water Heater Pilot Model RV Camper - $274.99..
The link above is for a brand new "scratched/dented" model, w/ manufacturers warranty, manual light, and probably closely matches what you currently have, and is priced at only $274.99. I just ordered a similar Atwood 6 gal HWH (w/ electronic start) from the same place a few weeks ago for my '75 Trade Wind and I paid $379 (minus shipping $37). It slid right in with minimal effort. Mine was not a scratched or dented model only because they didn't have electronic start models that were scratched or dented, or I would have. Mine also didn't come with a door, which I had no use for anyway since I wanted to reuse my original door. Ordered online Monday night, was delivered to my house on Thursday.
Just a recommendation since I had good luck and was very happy with the price and delivery time.
EDIT: Forgot to mention...if you choose to rebuild I still have my old HWH so I may be able to get the control valve off. I can't guarantee it works but I would guess it does. If you want it, it's yours for the cost of shipping. I didn't opt to fix mine because the tank had a hole and my local RV place wanted $200 for a new tank. If your interested just send a PM.
Edit #2: It just occurred to me that you have a 10 gal model, not 6 gal, sorry. I'm attaching two photos showing the control valve I have, so you can see if you think it would work for you or not, I don't know if those valves are different on the different models (6 gal vs 10 gal).
-Eric
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Thanks Eric, any advise or help is always welcome.
I tore the control valve down and made a new gasket for it and may have it functioning again except for the pilot. I may take you up on the offer later today...I'll let you know. I can give you my UPS number or pay you for the freight how ever you wish.
Ted
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10-20-2009, 08:47 PM
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#15
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Rivet Master
1964 19' Globetrotter
South Kingstown
, Rhode Island
Join Date: Dec 2004
Posts: 1,406
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What a great thread, I've learned so much. I have to fire up our old Bowen, and I haven't got a clue; I'm hoping its like a regular residential tank heater. Its great to get all your experiences, and especially the recommendations for retailers.
thanks
__________________
Wherever you go, there you are
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10-20-2009, 09:31 PM
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#16
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418
2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley
, California
Join Date: Jun 2002
Location: 1963 26' Overlander
Posts: 4,804
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Most of the heaters we removed and replaced had very disgusting substances inside, not just sediment, but also slimy stuff and rocks etc. ....not what I would want in my shower.
I recommend replacement. Definitely.
Unless you're a vintage purist. Then, and only then, would I take the time and money to repair/restore an original.
we were able on several occasions to replace the water heater with a DSI model and use the original door to keep the look authentic, but the function a more like 2009.
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10-20-2009, 10:15 PM
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#17
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2 Rivet Member
1962 24' Tradewind
1967 17' Caravel
1959 22' Flying Cloud
weatherford
, Texas
Join Date: Oct 2008
Posts: 46
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I have 62 tradewind with bowen heater that did not work when I bought from PO. I pulled it out, Hooked up garden hose hose and flushed for several hours. Nasty calicum and other things came out. We have a pretty good Mom &Pop Rv repair in town and I took The heater to him, He replaced the sensor and thermostat. Bench tested and works like a champ. I think I spent $30..
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10-20-2009, 11:21 PM
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#18
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Rivet Master
1964 19' Globetrotter
South Kingstown
, Rhode Island
Join Date: Dec 2004
Posts: 1,406
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ha, yeah, we had a lot of white gunk come out when I first hooked up the hose. The hose ran and ran before anything came out of any of the faucets, and then I opened up the drain in the hotwater heater. Yuck.
__________________
Wherever you go, there you are
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10-21-2009, 10:33 AM
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#19
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1 Rivet Member
1972 29' Ambassador
trenton
, Tennessee
Join Date: Aug 2009
Posts: 11
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Just to let everyone what I ended up doing....I was going to stay original right up to the moment when testing the tank and it failed. It too quite awhile to get all the sediment out and then to have it leak (around the fitting which holds the gas valve/thermostat) was disappointing.
I've installed a tankless hot water heater and just need to make a couple more slight mods before I post any pics. I have a gas valve assembly for the original Bowen if anyone wants it.
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10-21-2009, 10:48 AM
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#20
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Moderator
Vintage Kin Owner
...
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Join Date: Jul 2007
Posts: 11,696
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Quote:
Originally Posted by Pirate4hire
Just to let everyone what I ended up doing....I was going to stay original right up to the moment when testing the tank and it failed. It too quite awhile to get all the sediment out and then to have it leak (around the fitting which holds the gas valve/thermostat) was disappointing.
I've installed a tankless hot water heater and just need to make a couple more slight mods before I post any pics. I have a gas valve assembly for the original Bowen if anyone wants it.
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Your experience is not all that uncommon. Often times sediment build up masks pinhole, or leaks.
I've seen some cases where sediment buildup allows anaerobic corrosion to take place under the sediment layer. Other problems arise because sediment can insulate portions of the tank which causes uneven heating, which in-turn causes differing rates of expansion. This can weaken weld seams and material over time.
When the sediment seal is removed the leak is exposed.
Regards,
Kevin
__________________
"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."
William C. Swinney
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