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Originally Posted by DonB2
That box is directly below the radiator. 2 hoses on each end go up to radiator and engine.
Its clear, not like the color of radiator fluid.
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Like water probably? Id say thats likely a heat exchanger, like an aux cooler on a fire engine, but in reverse, providing hot water while the engine is running. So not a big threat to anything that matters. JB Weld works for me, but you should confirm my scientific wild guess....
You could always follow the lines back if they are visible and if they lead to your hydronic thingy (you have one of those, right?) then it’s a lock.
What kind of coach are we talking about? Or is it a fire engine? You could put the year and model# in a sig line and then everyone would know what we are working with like this:
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