MRCOOL 80% AFUE 3 Ton 45,000 BTU Upflow/Horizontal 5-Speed Gas Furnace | MGM80SE045A3A

Reliable Warmth. Efficient Comfort. Trusted MRCOOL Performance.

Keep your home cozy during the coldest months with the MRCOOL 80% AFUE 3 Ton Gas Furnace (Model: MGM80SE045A3A). Designed for upflow or horizontal installation, this single-stage gas furnace offers consistent heating with an energy-efficient 80% AFUE rating—meaning 80 cents of every dollar spent on fuel is converted into heat.

Ideal for homeowners looking for reliable performance and easy maintenance, this furnace features a multi-speed ECM blower motor, a slide-out blower assembly, and rotatable draft inducer for flexible venting.

⚠️ Note: Not available for sale or installation in California due to state energy regulations.

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🔧 Key Features:

• 80% AFUE Efficiency
  Converts 80% of fuel into heat to maximize comfort and energy savings.

• 3 Ton / 45,000 BTU Heating Capacity
  Ideal for medium to larger homes or zones needing dependable, even heat distribution.

• Upflow/Horizontal Installation
  Versatile configuration with removable floor base for bottom return applications.

• Quiet, Consistent Comfort
  High-efficiency 5-speed ECM blower motor ensures even airflow and whisper-quiet operation.

• Durable Internal Components
  Includes aluminized steel inshot burners and a non-welded clamshell heat exchanger for long-lasting performance.

• Maintenance-Friendly Design
  Easy-access slide-out blower simplifies cleaning and servicing.

• Flexible Connections
  Left or right utility hookups plus rotatable draft inducer for adaptable venting.

• Certified for Safety and Efficiency
  AHRI and CSA certified, ensuring dependable operation that meets national standards.

• Warranty Protection
  Comes with a 10-year parts warranty when registered and installed by a licensed professional.

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🧰 Technical Specifications:

• Model: MGM80SE045A3A

• AFUE Rating: 80%

• BTU Input: 44,000 | BTU Output: 35,200

• CFM: 1230

• Tonnage: 3 Ton

• Blower Motor Type: ECM, 5-Speed

• Electrical: 120V, 60Hz, Single Phase, 15A Max

• Gas Type: Natural Gas (LP kit available)

• Ignition: Silicon Nitride Ignitor

• Heat Exchanger: Tapered, Non-Welded Clamshell – Aluminized Steel

• Vent Connector: 4"

• Dimensions: 14.5"W x 28.375"D x 33"H

• Weight: 111 lbs

• Restricted States: Not for sale in California

PRODUCT SPECIFICATIONS:

Product Dimensions	14 1/2'W x 28 3/8'D x 33'H
Product Weight	111 lbs
Unit Type	Gas Furnace
AFUE	80%
CFM	1230
Tonnage	3
Heating Capacity	44,000 BTU
Fuel Type	Natural Gas
BTU Input	44,000
BTU Output	35,200
Voltage	Requires a minimum of 120V/60HZ/15A
Phase	1
Cycle	60
Stage	Single
Max Fuse Breaker	15
Min Circuit Ampacity	6.8
Color	Gray
Full Load	6.8
Number of Burners	4
Gas Connection Size	0.5
Blower Motor Type	ECM
Blower Motor HP	1/2
Blower Motor Speeds	5 Speed
Blower Motor RPM	535-1230
Heat Exchanger Type	Aluminized steel
Ignition Type	Silicon Nitride Ignitor
Vent Connector	4 inch
LP Kit Available	Yes
Certifications	CSA AHRI
Warranty	Registered 10 Year Parts Warranty
Restricted States	Yes (California)