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Extending existing flue pipe through flat roof of

I am planning on having a flat roofed extension built to the rear of the house coming off the wall form where my boiler has its flue protruding outside.Rather than relocating the boiler to another wall which would mean a considerable amount of hassle and expense, I wondered if it was possible to just extend the flue pipe so it goes up through the flat roof of the extension?

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I have a high efficiency furnace that uses PVC as a flue

I have a high efficiency furnace that uses PVC as a flue exhaust. The exhaust runs vertically through the roof, and at about 20 inches above the roof it terminates in a 135 degree PVC gooseneck. All of which is fine 9 months out of the year.

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Pelco PC 1020 Biomass Hot Water Boiler by Obadiah's Woodstoves

This high efficiency boiler can be used for just about any application, including: car washes, barns, offices, greenhouses and more. Features: Convenience Automatic Flue Cleaning

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high efficiency furnace venting thru chimney - Home Inspection

Re: high efficiency furnace venting thru chimney PVC Sch. 40 pipe is not approved as a venting material for CAT III or IV by the pipe mfrs. nor as a chimney liner. In fact, most mfrs. state NOT to use their pipe for combustion venting.

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How Does High Efficiency Furnace Venting Differ from

One of the most noticeable aspects of a high efficiency condensing furnace is that it has a different type of venting system than a conventional furnace. If you're thinking about installing a condensing furnace in your home, you might have some questions about this unique style of venting. Today we're going to talk about how high efficiency furnace venting works and how you can ensure that

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Direct Venting Of Oil Fired Appliances | Beckett Corp.

Direct - or through-the-wall - venting of oil fired heating equipment is becoming a major discussion topic in the oil heat industry. This month we will look at direct venting and its benefits and drawbacks. Direct venting systems eliminate the need for a chimney. An induced draft fan typically pr

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Proper Furnace Venting question | This Old House

The high E furnaces are designed to be vented out the side of the house. Because the flue gasses are at such a low temp you would not get proper rise to go up through the roof and and the blower is not designed for enough force to overcome the weight of the air in a tall stack. Jack

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Can you install a high-efficiency furnace with only one

It's perfectly acceptable to have a high-efficiency furnace installed with one pipe. Just flip through the pages of any high-efficiency furnace installation manual and you'll find the answer. I'm blogging about this because I've had many homeowners ask me about this. And now the rest of the story.

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High Efficiency Flue Termination - InspectionNews

PVC flue for a high efficiency furnace terminating through the roof instead of a sidewall. I've never seen that before. I check the HVAC code check book as well as some online resources and the only information regarding this points back to the original manufacturers instructions.

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Flue Design Is Critical For Furnace Installations - ACHR News

For the flue to operate properly, the outlet gases must always be at a lower pressure than the inlet air so that this pressure differential can be maintained. When this pressure differential is diminished by the flue pressure becoming too positive or the combustion air inlet becoming too negative, air stops drafting through the furnace.

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Exhaust and intake for a high efficiency gas boiler

We just had a high efficiency gas boiler installed in our 3-story rowhouse. Our heating contractors ran two PVC pipes into our lined flue. One of them continues all the way up to the roof and out the chimney; the other stops just inside the flue, on the cellar level. We're not sure which of the two pipes is the air intake and which is the exhaust.

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Guide to Side Wall Vent Chimneys & Flues - Direct-Venting

Guide to Direct Vent or Side-Wall Vent Chimneys & Flues. Direct-venting or side wall vent chimney and flue systems are a method of venting the exhaust gases from a heating appliance directly out through the side wall of a building while eliminating the need for a vertical chimney of any sort.

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Raypak Pool & Spa, Residential and Commercial Hydronic

REMOTELY MONITOR and control your boiler, water or pool heater anywhere!

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Heating systems

to vent the lower temperature flue gases outside through the side wall or roof. The AFUE rating for a high efficiency boiler is approximately 90%. It is estimated that you can reduce your

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Chimney Flue Requirements, Furnace and Water Heater

Proper furnace / water heater venting is an extremely important issue, which depends on the performance of the house chimney / chimney flue or other exhaust assemblies. The conditions explained in this post also apply to the wood burning appliances. Consequences of improperly assembled vent pipes, problematic chimney flue, deteriorating chimney walls can be sometimes fatal fire and Carbon

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