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Webasto Heating
My friend has a XL2- 45 and he has a Webasto 2010 burner 50,000 BTU’s in his system and he says in the real cold weather it does not keep it that warm in side, to cold for heat pumps but anyways most Prevost I see have the Webasto 2020 80,000 BTU’s, would it heat better?? It flows hot coolant thought coach and thoughtheat exchangers and fans blow across to heat. Any thoughts?? I’m going to call Sure Marine and ask them what they say. They are a Webasto dealer. You guys with the larger burner how many heat exchangers do you have and does the fans on exchangers have a 2 speed?
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48 Replies
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Art,
We have the DBW 2010 and it keeps the coach toasty down to single digits. Are all their heat exchangers/blowers functioning?
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What coach conversion is it.
I have a 07 Marathon H3 and because they used such small heat exchangers in the coach, (3), they will not keep my coach warm enough when the temps are in the 30s.
All of my heat exchangers use those small 4″ computer type fans and they just will not move enough air to warm the coach.
With outside temps in the 30s it will not warm the coach any higher than about 67 or 68, I have to use the 110 volt tow kick heaters as well as the Webasto heat exchangers.
Really poor design on Marathon’s part.
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If the Webasto is firing and cycling on and off the problem is likely how the valves are set up. Are any partially open? Does he have a loop going to the engine when he really needs the heat in the house. Are all the heat exchanger fans working? Are the thermostats set properly? If a Webasto is burning correctly the coolant being circulated is about 160 degrees. And if it is cycling as mentioned above the problem is getting that ccolant to flow where it is needed, and then making sure the fans used to put that heat in the house are working.
And most importantly why isn’t he asking the questions???????
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Buddy you have to many slides
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I think Buddy needs to downsize. A nice 40 footer would stay warm.
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My Webasto kept us toasty at 28 degree’s at Christmas time, but I only have 1 slide. I only have 3 cabin heat exchangers and 3 kick heaters. You kind of have to find the combination that works best. As an example, I don’t have a heat exchanger in the bedroom, kick heater only. Up front at the steps I only have a heat exchanger, no kick heater. We supplement the front with a portable heater.
I agree with Buddy, the fan capacity for the heat exchangers are wimpy at best.
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I run my floor tile heat most of the time best invention yet
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Art, my Marathon has 3 heat exchangers and 3 toe kick heaters, I also have a high heat switch that as far as I can tell only turns the blower speed up to double which really heats the coach up really fast. I’ve used it down in the teens on high speed with no issues keeping the coach warm, but I don’t have slides.
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Wondering if this might be like the problem Les had. the lines(hoses) might be clogged?
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We have a Liberty Coach, so we don’t have the problems in cold weather that some of the rest of you have.
We have only one electric toe kick heater, and a number of heat exchangers and fans for the Webasto heat. We’ve recorded 2*F and 3*F and the Webasto kept us very, very warm in the coach. I have to qualify those experiences in that (1) we don’t have slides (which I suspect shed enormous amounts heat) and (2) it wasn’t very windy those nights.
I suggest that your friend go through that list of Jon’s to make sure the Webasto system is working as designed by whoever the converter was. Another problem could be a clogged line like one of the posters referenced. There is another thread on that subject.
How long has your friend owned his or her coach.
A Prevost coach (at least ours) is truly an all weather coach. The only thing we’re missing in ours is heated floors. If we ever do anything to the floors, they are going to be heated!!
I suspect that as soon as Dan Hilger gets the shoes put away, he’ll be checking in to discuss using their coach snowmobiling in Wyoming at -20*F.
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The Webasto cycles on and off so it is coming up to temp, Talked to Sure Marine this morning and he said if burner is coming to temp there is not enough heat exchangers to heat coach, Gary said there is only 1 heat EX in living room 1 slide and 1 in bedroom and 1 in kitchen it is a 2 slide coach. He needs to add a couple more heat exchangers..
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Buddy,
It is in a vintage 40′ without slides…some may remember them as the simpler, lighter, cheaper, more insurable coaches with more storage…
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We have heated wood floors that I find excellent. The floors will maintain a nice temp when the lows get into the upper 30’s.
We have two toe-kick heaters, one in the kitchen/living area and one in the rear bath facing forward. They are quite nice along with the heated flooring.
The Webasto will burn you out! It’s an 83,000 BTU unit. I do find the living room fan a little loud but it works well. Mostly, we use the electric heat and toe-kick heaters if it’s not too cold.
I have never used the roof heat pumps.
Safe travels,
Mark -
Art,
You never did tell us the converter, unless I missed it, lots of help here if the coach converter is known.
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Saying add more heat exchangers is simple. Once a coach is built adding another one or two becomes a monumental task.
Truk is correct, if there are more specifics about the coach, converter, model and model year it just might be a problem someone can provide specific help, but as long as the owner is with holding vital information it is unlikely he canget further help.
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