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Old 05-26-2021, 06:25 PM   #1
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Join Date: Aug 2016
Posts: 198
My rear heater pump is disconnected

Discovered today my rear heater pump is disconnected, just sitting there with the hoses cut.

However, on my way home from buying it, the heater worked quite well. Got real toasty warm real quick when I turned it on.

Are these pumps necessary? Do I want to fix/put it into service again?

I do want to retain the stock heaters for heating while driving, though I'll probably set them up with thermostatic fans and probably replace the radiators with something that fits the application better. Maybe add some radiant floor heating, because why not.

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Old 05-26-2021, 09:38 PM   #2
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Join Date: Oct 2017
Posts: 1,222
Year: 1999
Coachwork: BlueBird
Chassis: TC1000 HandyBus
Engine: 5.9L 24V-L6 Cummins ISB
Rated Cap: 26 foot
Quote:
Originally Posted by WiredForStereo View Post
Discovered today my rear heater pump is disconnected, just sitting there with the hoses cut.

However, on my way home from buying it, the heater worked quite well. Got real toasty warm real quick when I turned it on.

Are these pumps necessary? Do I want to fix/put it into service again?

I do want to retain the stock heaters for heating while driving, though I'll probably set them up with thermostatic fans and probably replace the radiators with something that fits the application better. Maybe add some radiant floor heating, because why not.
Apparently it is not necessary! Mine does not have one. Perhaps it would take stress of the motor's water pump?


If you are doing floor heat, think about a Webasco. Not that I know anything about them, except they can preheat your engine's coolant when it is freezing outside, and/or keep your interior warm (with radiant floor heating) when parked.
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Old 05-26-2021, 10:24 PM   #3
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Join Date: Aug 2016
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Originally Posted by Mountain Gnome View Post
If you are doing floor heat, think about a Webasco. Not that I know anything about them, except they can preheat your engine's coolant when it is freezing outside, and/or keep your interior warm (with radiant floor heating) when parked.
I have, and I really like both those ideas. I would also like to figure out if this thing has an engine block heater (might not since it's from Arizona) and install one if it doesn't.
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