heater

Brian

Brian

Well-known member
Here is what appears to be some kind of exhaust gas heated car heater...never seen anything like it...anyone know how this thing would work?
 

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Usually just pass coolant through the manifold and into a heater inside the vehicle. This is an aftermarket device.
 
I'm having trouble envisaging quite how this works, actually, how to shut it off; sure I get passing coolant through it to 'superheat' the coolant, that would work real good!, you'd be cooking in no time....but how would you go shutting it down in , say, Summer?
 
Brian said:
I'm having trouble envisaging quite how this works, actually, how to shut it off; sure I get passing coolant through it to 'superheat' the coolant, that would work real good!, you'd be cooking in no time....but how would you go shutting it down in , say, Summer?
Click to expand...

The water shutoff valve that you don't have. :D

Who needs to extract heat from the exhaust in order to heat up the coolant? :eek:
 
Who needs to extract heat from the exhaust in order to heat up the coolant?



Exactly!!


The water shutoff valve that you don't have


And, exactly where does one place that? You've got super heated water each end of that manifold...shut the flow off from one way, what happens to the coolant that still residing in the tubes in the manifold? gonna turn into steam pretty damn quickly! Then what?


https://www.ebay.com/itm/225619817059


Oh No! Another one! Good grief!
 
Does anyone get where I'm coming from? The exhaust gas temperature is considerably higher than the boiling point of coolant. Whilst coolant is circulating through the manifold, it would be 'supercharging' the radiator in the auto's heater. You'd be cooking in no time flat. Turn off the shut off valve as suggested above; there is still coolant in the tubes inside that manifold, still being super heated. The only way I can see it working is to have a two way valve at discharge end to allow the superheated coolant to either circulate through the heater core, or circulate back through the engine cooling system....
 
correct Brian I see one thing the heater and manifold must be separate from the engine (we have enough posts on running hot engines) also no mention of a circulator pump if so, a shut off valve will need a blow off valve or "boiler / heater explosion: There has to be more missing parts expansion tank water site glass? Maybe its a marine manifold made by hot water heater company?
 
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