Date:         Sat, 15 Nov 2008 17:40:35 -0500
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
Comments:     RFC822 error: <W> MESSAGE-ID field duplicated. Last occurrence
              was retained.
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: [VWVANFULLTIMERS] Propex heaters : group purchase offer
Comments: To: Evan Martin <7martinn@GMAIL.COM>
In-Reply-To:  <3db3102d0811151249w52f7125fr2c906b73a4a87331@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

All of these heaters really three wear items. The motor, (brushes,
bearings) the burner and the heat exchanger. The heat exchangers life is
determined by duty cycle and the failure is usually burn through. This is
why these installations should always be used with carbon monoxide and
propane sensors.

Operating them for short cycles will reduce the heat exchanger the same wy
running your engine for short trips will rot out the exhaust.

If the RV is of a real size it is probably better to use an standard RV
heater as they are priced better and available in a wider range of sizes.
35,000 to 40,000 btu/hr is common. Part s are more readily available.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Evan Martin
Sent: Saturday, November 15, 2008 3:50 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: [VWVANFULLTIMERS] Propex heaters : group purchase offer

Any thoughts on using the Propex in a "heavy duty" application- 24/7, 4-6
Mo. yr.?

an RV type vehicle, but not a Vanagon, actually.

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