Generator Exhaust Pipe Through Trailer Roof

This was to go through the plywood floor.

Generator exhaust pipe through trailer roof.

They provide transitions for exhaust piping where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere. The venting system is designed specifically for rv generators to help provide fresher air around rvs plus minimize generator noise. 5 coupon applied at checkout save 5 with. I had 10 of 1 5 iron pipe which gave me about 8 sticking past the door on the outside.

The thimble must conform to the national fire protection association bulletin nfpa 110 and local building codes. You want at least 1 foot above the roof line. Roof jacks are designed for non combustible metal enclosures only. Because of a long equivalent length of the exhaust flue about 40 50 ft and bends the calculated pressure loss exceeds that suggested for the generator.

Then took a 90 degree exhaust and turned it down to adapt it to 3 double wall gas vent pipe. In poor weather the plan was to run the generator in the garage and pipe the exhaust through the port in the door. I welded 1 3 4 exhaust pipe onto the muffler end it was a good bit larger so had to fill in. It utilizes a tubing and coupling system to raise the generator exhaust above the top level of your rv.

It got rid of the exhaust fine but 3 unexpected problems came about. Camco gen turi rv generator exhaust venting system reduce generator fumes and noise easy to install and disconnect 44461 4 8 out of 5 stars 673. Roof jacks are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat. This was a little onan 5cck.

One was the amount of heat produced. Trying to vent engine drive exhaust from enclosed trailer. 1 inch stainless steel exhaust pipe parking air heater fuel tank diesel gas vent hose. Venting welder generator exhaust from enclosed trailer you will want to isolate the pipe as it passes through the trailer.

A double wall pipe or at least a larger piece of sheet metal similar to a bulkhead fitting will suffice. The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. 1 each 3 inch drain pipe 1 foot length with cutout 2 each 3 inch drain pipe couplers. 2 each 3 inch drain pipe 4 foot length longer if your motorhome is tall.

Double walled metal thimbles must be 153mm 6 inches larger than pipe diameter. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure.