Check the furnace or air handler filter to see if it is blocked with dust and dirt.
Armstrong furnace filter.
Check your indoor unit to see or hear if the blower is running.
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Dirty or blocked ductwork.
Contact your armstrong air dealer if the problem persists.
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And to help you understand why armstrong air is the professional s choice.
Warranty armstrong air s commitment to a better product is backed by a limited lifetime warranty on the stainless steel heat exchanger and a 10 year limited warranty on parts.
Actual size h 19 5 8 x w 24 3 8 x d 4 3 4.
From high efficiency gas valves and two stage heating to our patented ehx technology armstrong air gas furnaces use advanced designs to bring more to every home.
Either way armstrong air has an extensive collection of literature on every piece of equipment we offer to help you learn more.
Free shipping to the contiguous united states for orders over 99.
Model numbers for armstrong air products are found on the outside of the unit usually in a lower rear corner.
Remember to change your filter approximately once a month.
Armstrong filter replacement 20x25x5 merv 11 aftermarket armstrong filter armstrong air filters armstrong furnace filter for nominal size 20 x 25 x 5.
Changing a home furnace filter regularly is the fastest and easiest way to make sure your furnace is running smoothly and efficiently as well as to help purify the air in your home.
Model r40403 003.
Armstrong air is the professional s choice in home heating cooling.
If so change the filter.
Dispose of it and replace it with a new filter of the same size when it gets dirty.
Check the filter monthly to see when it needs to be replaced.
Armstrong furnace armstrong furnace.
Your armstrong air furnace s electronic control system prolongs system life by continuously monitoring internal components for optimum performance and fault prevention.
Blower control fan timer board fits brand armstrong furnace.