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Old 12-30-2015, 08:17 PM   #1
Mini-Skoolie
 
Join Date: Sep 2015
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Year: 1995
Coachwork: Thomas
Chassis: International 3800
Engine: T444E
Heat?

I have an International 3800, with Thomas coachwork.

I'm wondering - and this may sound like a silly question but Google has thus far not availed me: do school buses generally have heat throughout the bus?

I have heat really blasting in the very front, but I am unable to identify any place that heat it supposed to dissipate throughout the rest of the bus.

Any pictures or diagrams of relevant components will be most appreciated.
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Old 12-30-2015, 09:06 PM   #2
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Location: EHT New Jersey
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Front vents and one or two heaters under the seat.

Sole rear heater in my Amtran RE-


Also check in the engine bay for any shut off valves coming from the radiator
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Old 12-31-2015, 08:06 AM   #3
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My bus only has the heater by the driver, none in the back. It has been a Florida bis its entire life so that is probably why there is no rear heater...
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Old 12-31-2015, 11:10 AM   #4
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Generally they do if they're not tiny buses. My AZ TC1000 has 2, one in front and one in the rear. Why oh why don't you ask the PO if there's heat or at least plumbing for it?

Crawl under and look for large heater hoses to the rear/mid.
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Old 12-31-2015, 12:22 PM   #5
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All the skoolies I have seen with more than about 7 rows of seats came from the factory with rear heat. Maybe it could have been removed at some point (?). As 2Kool notes above...take a look below.
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Old 12-31-2015, 12:29 PM   #6
Mini-Skoolie
 
Join Date: Sep 2015
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Year: 1995
Coachwork: Thomas
Chassis: International 3800
Engine: T444E
I looked below, and I didn't immediately see any evidence that there has ever been any heat. It's entirely possible that I just don't know what I'm looking for. Can someone post a picture from under the bus of their heating system?
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Old 12-31-2015, 05:39 PM   #7
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On the bottom side probably all you'll see of the heat system are rubber hoses. They're often similar to what you might find as the radiator hoses on a small to mid-size sedan: black rubber, possibly with foam pipe insulation wrapped around them, size around 1.75 inch outside diameter. Often there'll be two running side-by-side (supply and return). Since you know there's heat in the front, start there. Identify where the heater core(s) are, then find the hoses that feed them, then follow the hoses to see where they lead.
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Old 01-01-2016, 07:31 PM   #8
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Location: Billings, MT
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On the same note, what about installing baseboard radiators
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Old 01-03-2016, 10:24 AM   #9
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oooh, those baseboard radiators seem like an interesting idea. I'm curious to hear other opinions.
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Old 01-03-2016, 05:29 PM   #10
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The baseboard radiators might be used to replace those already installed by the manufacturer. On the plus side, they would spread the heat the entire length of the run instead of relying on VERY NOISY fans to move the heat. Now, if there's a side E-Exit, then two runs might be needed. On the minus side, they would still require engine heat to operate.

Now, if only someone could figure out a way of generating liquid heat without running the big engine...
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