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Old 07-20-2014, 01:57 PM   #1
1 Rivet Member
1962 26' Overlander
Defiance , Missouri
Join Date: Jul 2014
Posts: 17
Bowen Water Heater in '62 Overlander

Hi everybody,

I am the proud new owner of a 1962 Overlander, and I am trying to understand the systems and how they work.

The Water heater is the original Bowen, and it seems very different from the modern DSI water heater in my last trailer. After I remove the shroud on the outside, I cannot find a drain plug or pressure relief valve. I did find a drain plug on the inside under the gaucho (looks like it hasn't been touched in years). Also, I also found a multiport valve on the inside near the top of the tank. One of the ports is labeled "drain", and a rubber hose is attached that goes down through the floor and through the belly skin. Is that the relief valve?

I have used the water heater about 3-4 times now, it seems to work well. I just want to make sure it is safe and get some info on how to drain/maintain it etc.

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Old 07-20-2014, 04:08 PM   #2
HiHoAgRV's Avatar

1991 34' Excella
1963 26' Overlander
1961 26' Overlander
Central , Mississippi
Join Date: Nov 2006
Posts: 5,446
Images: 29
Blog Entries: 49
It looks like the propane controls have been replaced with a newer style sometime in the last 52 years. My '63 Bowen has a drain valve on the inside rear quadrant. The hot water outlet incorporates a pop off valve that has another pipe exiting thru the floor.

Hi Ho Silver RV! Vernon, Sarah, Mac the Border Collie -
A honkin' long 34' named AlumaTherapy
and a 26' '63 Overlander, Dolly
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Old 07-20-2014, 05:42 PM   #3
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1974 31' Sovereign
Ottawa , ON
Join Date: May 2008
Posts: 11,216
Images: 25
Time for a new water heater,no matter what maintenance has been done to your existing one.

A nice Atwood 6 gallon with remote start should do the job nicely. Safer, more secure, and a lot more efficient PLUS no more standing out in the rain to light it.
“Courage is being scared to death, but saddling up anyway.”
...John Wayne...........................
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