Posted by Arthur P. Bloom on Sunday, August 10, 2003 at 4:45PM :
In Reply to: Re: What is this? posted by Gordon Maney on Sunday, August 10, 2003 at 4:25PM :
"they are using engine coolant to heat something"
Or, as I said earlier, probably to cool something. Like using the tank water to cool the engine. Fire engines run hot, especially those which can "pump and run" like a front-mount brush fire pumper. The tank water is often used to keep the engine cool.
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