Question about Dometic Rooftop RV Air Conditioner
If you have access to an air compressor try blowing the blockage out. Apply air pressure from the outlet as to blow the obstruction up the pipe, not down. If at all possible disconnect the pipe from the air conditioner unit as not to blow debris into the unit. Clean up the mess this will make so it does not wind up back in the pipe. If you do not have access to an air compressor the next best thing would be a garden hose. Follow the same procedure as above. Worst case senario replace the pipe. If you need further assistance with this problem feel free to contact me at firstname.lastname@example.org I have yahoo phone out so I can even call you free of charge.
The water pressure from the hose should be more then enough to blast the pipe clear. Just make sure you blow the obstruction from the bottom of the pipe upwards! If you try to force it down it will only jam the obstruction deeper making the problem worse. If it is a flexible pipe you can also remove it from the RV and wiggle it around as you apply water/air pressure. If you use air pressure make sure you use eye protection as debris may fly at dangerous speeds!! Also with air follow with water to was the pipe also. Hope this gets you fixed, If not get back to me with any questions you may have.
Posted on Sep 10, 2008
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Posted on Jan 02, 2017
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