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Armstrong Air LUF80 Furnace

5.0 of 5 stars 1 review | #1 of 4 Furnaces
Updated: Dec 17, 2014 | Read more about Armstrong Air Furnaces

Overview of LUF80

The Armstrong LUF80 is a discontinued variable-speed, oil-fired furnace with an efficiency of up to 83.0% AFUE. The variable-speed motor featured a "soft start" and "soft stop", which combined with a balanced blower wheel and strong motor mounts to provide smooth, quiet operation. The heat exchanger was made of heavy duty 14 gauge steel, and a high temperature ceramic fiber combustion chamber with stainless steel cleanout ports provided easy cleaning access. The LUF80 used a Beckett burner with a solid state ignition and a PSC burner motor for reduced power consumption and smooth operation.

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Consumer Reviews of the LUF80

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5 of 5 stars Milton, vermont
Date created: 2014-03-26

Great furnace

I have installed oil units for over 20 years and the Armstrong is the best with the best warranty right know 5 yrs with extra 5 yrs when registered on line no one had better warranty . I've read the reviews they all seem to be about gas models. And how the contractors install them. I can say if your heat exchanger goes bad in less then 15 or 16 yrs you get a new one free -- just have to pay labor which is around 500.00 to install. As for parts, they come with a Becket burner same as any other units on market. Parts are the same, costs are the same -- nothing special, just a good unit. I have one in my shop it's been running for 18 yrs. I have replaced the burner motor and a new nozzle every year and that's it.

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Armstrong Air LUF80 Model Numbers

The LUF80 is available in different models which vary in efficiency and capacity.

Model Number AFUE BTUs per Hour
LUF80B112-125B16* 81 154,000
LUF80B112-125B16* 81 154,000
LUF80B112-125D20* 81 154,000
LUF80B112-125D20* 81 154,000
LUF80B112-125D20R* 81.2 147,000
LUF80B112-125D20R* 81.2 147,000
LUF80B57-72D12* 83 90,000
LUF80B57-72D12* 83 90,000
LUF80B57B08* 82 70,000
LUF80B57D10* 82 70,000
LUF80B57D10R* 84 70,000
LUF80B84-95B10* 81 120,000
LUF80B84-95B10* 81 120,000
LUF80B84-95D12* 81 120,000
LUF80B84-95D12* 81 120,000
LUF80B84-95D12R* 82 112,000
LUF80B84-95D12R* 82 112,000
LUF80B84-95D16* 81 120,000
LUF80B84-95D16* 81 120,000
LUF80C112-125B16* 81 154,000
LUF80C112-125B16* 81 154,000
LUF80C112-125D20* 81 154,000
LUF80C112-125D20* 81 154,000
LUF80C57-72D12* 82 90,000
LUF80C57-72D12* 82 90,000
LUF80C57B08* 82 70,000
LUF80C84-95B10* 81 120,000
LUF80C84-95B10* 81 120,000
LUF80C84-95D16* 81 120,000

LUF80 Warranty

Online product registration is required within 60 days for maximum warranty coverage. The LUF80 is covered by a lifetime limited heat exchanger warranty and a 10-year limited parts warranty. Unregistered equipment defaults to a 20-year heat exchanger warranty and a 5-year parts warranty.

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