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Date:         Wed, 15 Dec 2004 21:30:46 -0500
Reply-To:     Dennis Haynes <dhaynes@OPTONLINE.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <dhaynes@OPTONLINE.NET>
Subject:      Re: [Syncro] 2nd propane tank/heater-Dual tank instalation!--Try
              this link!
In-Reply-To:  <000001c4e314$b8f7b8b0$6400a8c0@masterpc>
Content-type: text/plain; charset=us-ascii

http://www.rvpartscenter.com/ProductDetail.asp?ProductID=34672

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dennis Haynes Sent: Wednesday, December 15, 2004 9:13 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: [Syncro] 2nd propane tank/heater-Dual tank instalation!

The method you describe for connecting two tanks together is wrong and extremely dangerous. Propane regulators should never have the outlets tee'd together unless there are check valves on both sides. Propane regulators control pressure using a spring loaded diaphragm and spool. When outlet pressure is sufficient, it closes the source. If pressure continues to increase due to expansion or failure to close or what have you, it vents through that screened outlet. Now if one regulator adjusts to 11" WC and the other for some reason goes for 11.5" WC, the lower pressure unit will continuously vent. This is why the regulators are always installed outside or the vent gets hard piped outside.

The best way to installed dual tanks is to install a regulator designed for the task or to use an isolating tee for the input. This auto changeover is my favorite due to price, convenience, and built in isolation. http://www.rvpartscenter.com/ProductDetail.asp?ProductID=34672&StoreID=1 2&DepartmentID=37&CategoryID=216&BasketID=

Dennis

-----Original Message----- From: Richard A Jones [mailto:jones@colorado.edu] Sent: Wednesday, December 15, 2004 12:01 PM To: saltss@copper.net Cc: Syncro@yahoogroups.com Subject: [Syncro] 2nd propane tank/heater

Kelly:

For a description of mine, see: http://hometown.aol.com/realsf/howtopage2.html

This is an old page, with one typo: > a red-hot day by someone who had never seen an autostop valve--and did care! . Won't have That should be "didn't care" and any references to my address or webpage should be jones.colorado.edu, not coyote.colorado.edu

I have a Carver heater under the rear seat--exactly like the Sittser description: http://www.sittser.com/

The Carver isn't available anymore, but Propex is (back) in business and Karl Mullendore imports them: <thewestyman@mindspring.com>

Richard A Jones Boulder, Colorado

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