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Heat Controller GMUH Furnace

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Updated: Oct 5, 2011 | Read more about Heat Controller Furnaces | GMUH Warranty

Overview of GMUH

Heat Controller, Inc, manufactures a series of non-condensing gas furnaces with an 80% AFUE rating. The GMUH series is made in upflow/horizontal and downflow configurations. The series is 34 inches tall, and can be easily installed in tight spots. Custom installation options, such as left or right side gas, or electric and condensate drain connection, are also available.

This product line features quiet combustion and uses a direct spark ignition, draft inducer motor, and slow-opening gas value. The GMUH series can also be converted to propane by changing burners. It comes with a variety of accessories for upflow models including internal and external filter racks, twinning kits, a coil cabinet, among other related items.

The Heat Controller GMUH series is usually marketed under the brand name Comfort-Aire.

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Heat Controller GMUH Model Numbers

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

Model Number AFUE BTUs per Hour
GMUH100-E3N 80 100,000
GMUH100-E5N 80.1 100,000
GMUH125-E5N 80 125,000
GMUH150-E5N 80 150,000
GMUH50-E3N 81.4 50,000
GMUH75-E3N 80.6 75,000
GMUH75-E4N 80.5 75,000

GMUH Warranty

The GMUH series is equipped with a 20-year heat exchanger warranty and a 12-year warranty on parts. Products must be registered by either mailing in a registration card or registering online within 90 days of purchase. Customers must also provide a receipt of purchase to prove their within the warranty period. Additional coverage is available through extended service agreements.

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