Insulating pvc furnace exhaust pipe. The Food Stamp Program administered by the US. Department of Agriculture is proud to be distributing the greatest amount of free meals and stamps EVER. Theres a double-walled furnace flue pipe as well. You should have from where the tee started to where the pipe enters the house fully insulated. Track the exhaust pipe from your dryer until it leaves the house. The PVC pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process. The deck was added to the back of a house that has a high efficiency Trane furnace that exhausts through 4 PVC pipe. For extremely cold climates or for conditions of short furnace cycles ie.
The diameter of pipe will determine what most manufacturers recommend. Normally they are a set of curved pipes PVC CPVC or ABS near the foundation although sometimes they are on or. On my woodstove and a few other hard to insulate items I caulked the penetration of the exterior thimble and the pipe. Set back thermostat conditions the last three feet of vent pipe can be.
The diameter of pipe will determine what most manufacturers recommend. Venting for high-efficiency gas furnaces Materials. They usually include an adhesive strip to seal the slit after installation. Click to see full answer. Unheated spaces chimneys etc the pipe must be insulated with 12 inch thick sponge rubber insulation Armafl ex-type insulation or equivalent.
In such cases the vent should be insulated andor a self-regulated heat tape installed.
Basic instructions on how to run pvc flue venting on high efficiency furnaces.
It is classified as Type BH venting.
These PVC pipes are connected to the furnace and expelled outside. The process for installing venting varies depending on whether youre using rigid PVC flexible aluminum or corrugated galvanized steel pipe. However as a general rule of thumb 2 piping runs should utilize PVC support hangers every 4 at a maximum and 3 piping runs should utilize a PVC support hanger every 5. They should be near where your furnace is on the inside.
Now that you have safely sealed the air leaks around the furnace exhaust you can work on insulating your attic space.
Then using system 636 PVC glue and primer if doing it in cold weather glue a system 636 PVC elbow onto the end of the termination so that it is blowing the exhaust straight away from the house.
In such cases the vent should be insulated andor a self-regulated heat tape installed.
Other Aspects of High Efficiency Furnace Venting.
