Receiving Helpdesk

how hot can a flue pipe get

by Milford Altenwerth Published 3 years ago Updated 2 years ago

How Hot Should a Flue Pipe Get for an Oil Furnace?

  • Hot End Temperatures. The temperature in the flue pipe of your furnace can run as high as 400 degrees Celsius, which is about 750 degrees Fahrenheit.
  • Cool End Temperatures. Your furnace may have a flue pipe temperature as low as 150 degrees Celsius or about 300 degrees Fahrenheit.
  • Bottom Line. ...

They can get temperatures over 900 degrees Fahrenheit, which is only okay if it stays momentarily. Anything above 900 degrees Fahrenheit for a long time, and you might soon have a chimney fire. It's important to note that we are talking about temperatures inside the pipes.Oct 13, 2021

Full Answer

How hot does a chimney flue get?

While for a double-wall chimney pipe, a probe thermometer is used. The surface temperature is significantly cooler than the actual flue temperature. They can get temperatures over 900 degrees Fahrenheit, which is only okay if it stays momentarily. Anything above 900 degrees Fahrenheit for a long time, and you might soon have a chimney fire.

What is the average temperature of a pipe?

This usually equates to a median pipe material temperature value of 86 to 100 degree F. When this temperature starts to exceed 130 degree F, it is usually an indication that there is a problem.

What should the temperature be inside a furnace vent pipe?

This usually equates to a median pipe material temperature value of 86 to 100 degree F. When this temperature starts to exceed 130 degree F, it is usually an indication that there is a problem. This temperature should be taken inside the vent pipe, approximately 8 to 12 inches outside the furnace cabinet.

What is the flue on a furnace for?

The furnace exhaust flue, also called a furnace exhaust stack, is a metal tube that vents the noxious combustion gases from the heat exchanger to the outside. Inside the stack resides a damper that regulates the pressure between the air from the furnace and the outside air. Also asked, is a furnace supposed to be hot to the touch?

How hot will a wood stove pipe get?

Stove top temps range from 500-650. Non cats generally burn a little hotter pipe temps from my experience.Nov 10, 2010

How hot does a fireplace insert flue get?

In general, most fireplaces reach temperatures between 700 and 1000 degrees Fahrenheit.

What is a good flue temperature?

Maintain a flue temperature exceeding 250 degrees Farenheit to prevent creosote condensation. Some new, more efficient stoves deliver more heat to the room than an open stove or fireplace.Dec 19, 2014

How hot does Class A chimney pipe Get?

1,000 degrees FahrenheitThis standard, which is known as UL 103 mandates that Class A chimneys be designed to operate at a continuous temperature of 1,000 degrees Fahrenheit.

How hot can a wood burning insert get?

To get the most heat from your wood burning stove, the temperature should be between 260 and 460°C. Any lower than this, your fire will be burning too slow to generate a good amount of heat.Sep 23, 2020

How hot can a brick fireplace get?

Maybe 100-120 degrees. The bricks are only slightly warm to the touch, but only at the bottom where the exhaust goes into the chimney, it would gradually get cooler as it goes up. All cases are different, but that was my concern too!Mar 11, 2007

How hot is chimney smoke?

Once a chimney fire is going, it can burn up to 2000 degrees F, which is hot enough to break and crack clay flue tiles and melt metal flue liners in mere moments. That's why a small chimney fire can become a house fire in very little time.

How do you heat a chimney flue?

The most common way to warm your flue is by holding lit cardboard or pieces of paper inside your firebox, directly under the flue until the draft reverses to flow properly up and out of the chimney.

How hot does triple wall chimney pipe Get?

Double- and triple-wall insulated pipe is listed as Class A vent pipe and must meet either UL standard 103 or 103HT. UL standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit.

Does twin wall flue pipe get hot?

How hot does twin wall flue get? Twin wall flues will heat up when in use as they transport the hot stove gases away from the appliance, the outer part of the flue can be over 90o C or 194o F.

How hot does pellet vent pipe get?

Corie said: Remember that the temp. limit for exhaust gas in pellet pipe is 500 degrees above ambient. Human touch temperature is 120 degrees f so you're in good shape from a safety standpoint.......now of course from efficiency standpoint, the colder the exhaust gas the better.Dec 20, 2008

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