Quote:
Originally Posted by nemo
It might be possible to use two exhaust cut out valves to remove the flow from the heat exchanger. Basically you would have two paths, one would be through the exchanger section. The reason for using two would be to completely isolate the the exchanger section. After the second valve it would flow through the normal exhaust system.
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I was thinking the same except only one valve is needed. J.C.Whitney used to sell exhaust cut outs that would work well for this.
Add a T-stat that actuates an old heat/AC damper flapper motor.
Just remember diesel exhaust can run steady state 1200 deg +