From 4 500 to 7 500 ft 1 371 6 m to 2 286 m the gas manifold pressure needs to be adjusted according to the information shown in the manifold pressure vs.
Roof top high efficiency furnace venting options.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
Also known as the type b this vent is operating on the natural air convection.
Propane furnaces must meet a minimum efficiency standard of 92 but most new propane furnaces have afue ratings of 92 to 98 5 efficiency.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
Contractors and homeowners with general information on best practice approaches to installing high efficiency replacement furnaces in existing residential and small commercial.
Things to consider when buying a propane furnace.
Explaining the difference of exhaust venting in a high efficiency furnace versus a standard efficien.
That s gonna be expensive.
It has to slope from the end of the penetration back to the furnace.
Venting for high efficiency gas furnaces assembly.
So which type of venting system should your furnace have.
Example of high efficiency furnace venting on a roof.
Installation guide for existing houses.
That s because the combustion byproducts are in a gaseous form so the gases can float up through the flue pipe and out of your roof.
These pvc pipes are connected to the furnace and expelled outside.
Should my furnace flue pipe go through the roof or the side of the house.
High efficiency venting is basically a pvc vent that has a constant rise as it exits the house.
That depends on whether you have a standard efficiency or a high efficiency furnace.
If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof.
This high efficiency venting system must be installed when you install the new furnace.
If you re concerned about cost upgrading to a high efficiency isn t the option.
Here are some good venting practices.
Important considerations for contractors and homeowners this guide was developed to provide.
Here are some of the venting types.
Other aspects of high efficiency furnace venting.
The pvc pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process.
It is often more expensive to operate than a gas model but is usually a more cost effective solution than an electric option.
5 high altitude installations this furnace is approved for operation at altitudes from 0 to 4 500 ft 1 371 6 m above sea level without any required modifications.