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HVAC, Air Conditioners, Aqua Hot, Primus, Webasto, Chassis Heaters, Furnaces and Water Heaters Questions and information about the wide variety of Heating and Air Conditioning as well as Water Heater systems available are discussed here.

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  #41  
Old 09-20-2017
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Rick Rick is offline
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Quote:
Originally Posted by banjo1005 View Post
I'll have to double check on the system I have. Thanks for the heads up on that draw-back, very true on the electrical demand. That definitely does make me second guess taking the system out.

Randy, I would say we're nearly in the same boat on climate, your probably a little warmer.

What Webasto unit did you go with on your replacement?

Thanks everyone for the input, very helpful.

Cheers
Patrick
Webasto DBW 2010
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2000 LX
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  #42  
Old 09-20-2017
banjo1005 banjo1005 is offline
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Originally Posted by Rick View Post
Webasto DBW 2010
So, I'm assuming that you keep the interior plumbing for the primus units and just swapped out the primus heaters or this unit?
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Baton Rouge, LOUISIANA (LA)
1990 WB 40
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  #43  
Old 09-20-2017
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Quote:
Originally Posted by banjo1005 View Post
So, I'm assuming that you keep the interior plumbing for the primus units and just swapped out the primus heaters or this unit?

Correct.
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Barry & Mary Rhodes
Port St. Lucie, FL.
1990 WB 40 "Northern Lights"
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  #44  
Old 02-04-2018
CaptPegLeg CaptPegLeg is offline
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Reviving an old thread Barry. In looking at specs it showed one unit using less than .5 gph. Will one 2010 heat a 1993 WB?
I told Ann the burn numbers and she sorta freaked out on installing one. Wide open would burn up $30 or more per day. I don’t think it would run all the time but...she’s learned not to trust my thinking so much anymore. She mumbled something about once bitten, twice shy and also that she had lost count of the bites. In thinking about it, she just might have a point. So, do you or anyone have a realistic guess on operating cost for the Webasto 2010 being used for heat and motor heat?
Thanks!
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1993 WB
1983 PT35 Sold
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  #45  
Old 02-04-2018
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The 2010 is the same size unit use in the same era Aquahot. Think it is 45,000 BTU. One is more than enough to heat your coach. No way you will burn that much fuel. Much closer to 1/2 gallon per running hour. It will be much cheaper to operate than your Primus system.
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  #46  
Old 02-04-2018
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Here are some comparisons of a Proheat X45 vs Primus 2490

Proheat XL45
Rated at 45,000 BTU
Fuel consumption is .1 gal. average to .32 gal. max. heat
Fuel consumption/24hrs. 2.4 gal. avg. to 7.68 gal. max heat
40 gallons of diesel @ avg. will last 16.67 days and 5.21 days at max.
Coolant Flow rate is 8 gallons per minute
Water temperature is 150-185 degrees Fahrenheit
Current draw 7.5amps at 12 volts
Can feed 2 heater loops in a coach

Primus 2490
Rated at 21,500 BTU
Fuel consumption is 1.08 lbs./hour or 6.11 gallons propane/24 hr. period
A 40 gallon tank will last for 6.54 days approximately
Coolant Flow rate is 7.1 gallons per minute (large pump)
Water temperature is 176 degrees Fahrenheit maximum
Current draw 2.34 amps including the primus control at 12 volts

Using 2 2490 systems
Rated at 43,000 BTU
Fuel consumption is 2.16 lbs./hour or 12.22 gallons propane/24 hr. period
A 40 gallon tank will last for 3.27 days approximately
Coolant Flow rate is 7.1 gallons per minute for each pump (large pump)
Water temperature is 176 degrees Fahrenheit maximum
Current draw 4.68 amps including the primus control at 12 volts
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  #47  
Old 02-05-2018
konehd konehd is offline
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Like pretty much anything else 'it depends'!

I like the Primus. There are some issues, but when it works its great.

Thats for our usage though. We live in a temperate climate, Arizona, and dont use it more than a few hours a day. If you live in a climate where you have to run it all day and all night it might not work for you.

I added electric heat to ours so when we are plugged in we dont have to use propane.
Note that if you add a Webasto you wont have electric like an aquahot install. Not sure if a proheat has electric? You could add electric yourself.

Some pros on the Primus...
Quiet, only the burner and you can barely hear the pumps.
Dosnt smell like diesel heat.
Simple. Only a spark and the propane is burning.
There are two units so if one fails you have a backup

Cons:
Can run you out of propane if you use it a lot!
Parts hard to find or made of unabtainum.


Ive never used a Webasto or Proheat, but have stayed near some who have.

Webasto Pros:
Cheap to run, and you have a large supply of fuel! Can run for weeks without a fill unlike propane powered Primus.
Parts available, but some pricey.
Can get rebuilt units.

Cons:
Can be costly to repair! Seems every year a few people drop hundreds to thousands of dollars on fixes at Q.
Noisy.
Diesel exhaust smells bad, dont park downwind of one.
Diesel is hard to burn ;} It need forced air, and has to be atomized. That requires a motor, pump, nozzle and a spark to light it. All the Primus need is a valve and spark...

My take on this is... IF your Primus is working, AND if you dont need to run it a long time, then stay with the Primus.
If you need a lot of heat, for a long time while dry camping then the conversion might be good for you.
Otherwise add on electric immersion head and be happy...

This is my opinion, YMMV!!

/Joe
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  #48  
Old 02-05-2018
Stephen Stephen is offline
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We have Primus Parts
listed on our website or CALL
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www.dupreeproducts.com
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  #49  
Old 02-05-2018
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RGloverii RGloverii is offline
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I am happy with my Proheat conversion. Works very well. Reliable. Endless supply of heat via main diesel tank.

I guess the biggest complaint is that it’s much louder than the two Primus boilers.
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91 SP36
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  #50  
Old 05-30-2018
Debugjaws Debugjaws is offline
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I believe I have Rick's DBW2010. I disagree regarding them being loud. Exterior to the coach I have heard water heaters on SOB coaches and trailers around me louder than this. Internal to the coach (mine is a 91 WB), unless you're laying on the bed you can't hear it in the coach. Also, I exhausted mine out the rear of the coach down low, so minimal diesel odor, I guess unless you're parked right on top of it.

Heating is very sufficient. We live in the damp Pacific Northwest. So far I'm a fan. I love the simplicity and reliability compared to what I was dealing with in my previous Primus system.
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91 WB 40'
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