Date:         Sun, 16 Nov 2008 00:16:57 -0500
Reply-To:     Karl Mullendore <groups@WESTYVENTURES.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Karl Mullendore <groups@WESTYVENTURES.COM>
Subject:      Re: [VWVANFULLTIMERS] Propex heaters : group purchase offer

Dennis, it would be a good idea to dissect a Propex before comparing it to a
std. RV-type furnace. I'm sure you are right-on when referring to the RV
furnaces. But the materials and construction used in the Propex is far
different than you would see in the RV furnace. The heat exchanger, for
instance, is heavy gauge stainless and will likely outlive several vans.
I've been inside a few of the heaters and have never noticed even the
slightest burn area or warping. The motors are brushless design and the
failure rate on these has been nil, even in heavy use. The burner is also
heavy gauge stainless and there are no parts that wear perceptibly. I agree
that a larger RV would require a larger unit, but a C-class would be heated
just fine with the HS2800. Lastly, parts are quite easily obtained for the
Propex--FedEx can have them in my hands in 2 days if I don't already have
what I need in stock.

Karl

On Sat, 15 Nov 2008 17:40:35 -0500, Dennis Haynes <d23haynes57@HOTMAIL.COM>
wrote:

>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.

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