How to Plumb Truck Box Heater

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How to Plumb Truck Box Heater

Postby jogl » Sun Nov 24, 2013 12:47 pm

I am installing a heater in the box of my straight truck. It is a 2002 International 4300 with a 466e. The heater is just a heater core and blower that will use engine coolant for the heat source.

I'm not sure if I should plumb it in parallel or series with the cab heater core. Anybody know if the coolant flows full through the cab heater core all the time or is there some sort of a heat control valve in there?

Thanks,
JP.
92 W250 and lots of others.
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Re: How to Plumb Truck Box Heater

Postby Remps » Wed Nov 27, 2013 1:35 pm

I would put a tee in the input of your truck heater core, and return it to the output of truck heater core with another tee. Never actually tried it, but I think it would work.
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Re: How to Plumb Truck Box Heater

Postby ellis93 » Wed Nov 27, 2013 5:41 pm

That's the way it is on any rear air passenger vehicle.
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Re: How to Plumb Truck Box Heater

Postby jogl » Thu Nov 28, 2013 3:09 am

Parallel is the way to go. Good heat in the cab and in the box.

Thanks,
JP.
92 W250 and lots of others.
jogl
fuel screw!!!!
 
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Joined: Tue Jan 09, 2007 7:06 am
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