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Purchased used dayton (m) 32433e243 / 36c13 / t 306 / & was told was running on propane. hooked up & get black smoke. had 10lb & then .5lb regulators. installed the .5lb & still black smoke. tag does say LP? Thanks Steve

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Look at the orfices on the manifold if these are correct sized then if it has a smokey outlet you'll have to get all the byproducts of non burned gas out of the heat exchanger before it will stop ALSO this BLACK SOOT IS FLAMABLE. It can burn when hot enoug with enough O2 getting to it. Inspect the combustion air (if so equiped) on the burner manifold adjust to allow MORE air into the orfice but 1st disassemble and clean the whole thing. YES it will be messy from my expierance but its for safety and to complete the repairs. Take the model number, BTU rating, one of the orfices and number of burners with you to a QUALITY LPGAS Supplier. they can help you decide if these are the correct size and may be able to make more advice available. Ask about setting the combustion air to clarify what I said above. 
Please grade me accordigly and if I need to be more preciceI need more information from you. THANK YOU AND GOOD LUCK.  

Posted on Mar 02, 2009

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