Oil Furnace Chimney Liner Sizing

However the interior of your chimney especially after insulating may not have the adequate space.

Oil furnace chimney liner sizing.

The hot and buoyant flue gases will remain hot exit the flue quicker cool less and be much less likely to condense on the chimney or liner walls. Next measure the exact inside flue measurement that you will be installing the liner down. For example if it has a 6 opening where the pipe is to be inserted that is the ideal size liner you need. When the draft of the appliance rises the fan wheel of the burner moves air easier.

Does an oil furnace need a chimney liner. Without a stainless steel. Both gas and oil furnaces use masonry chimney flue vents that handle a temperature range from 350 f to 1800 f degrees. Remember that once a chimney liner is installed in an oil furnace chimney flue that you must maintain it annually.

Clay or tile flue liners help with proper evaporation. As the draft on the appliance drops the fan wheel must work harder to move the same amount of air. The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don t want the liner to be three times the area of the exhaust hole of the appliance. A guide to chimney sizing tables for venting heating appliances.

Properly sizing a chimney liner will greatly reduce condensation within the venting system. Which chimney sizing table to use. The combustion of fuel from an oil furnace creates a corrosive by product of unburned carbon and sulfur commonly known as soot. Here is a quick guide to the umc s chimney sizing btuh venting capacity tables when sizing a metal or masonry chimney diameter to match the total input btuh of the heating appliances boiler furnace water heater being vented.

It still needs to be cleaned even though there is a stainless steel chimney liner installed. For hot water heaters and oil furnaces the ideal diameter of the liner needed to vent your appliance is the size on your unit. Reline your chimney with a flex king chimney liner. Reline your oil furnace chimney flue with the best chimney liner available today.

Measure from the top of the chimney to the top of the thimble and add 3 5 to accommodate the liner clamping to the top plate. According to hvac condensation builds inside of vents promoting deterioration of the furnace.