GMS80453AN 45,000 BTU efficient Upflow Gas Furnace

45,000 BTU 80% Upflow Furnace

GMS8 Gas Furnace Up to 80% AFUE Performance, Downflow Installation, Single-Stage, Multi-Speed

Outstanding Warranty Protection*

If the heat exchanger ever fails in this unit, the original registered owner will receive a new heat exchanger.

This furnace also has a 10-Year Parts Limited Warranty on all other parts.

Product Features

Patented Dual-Diameter Tubular Heat Exchanger
Energy-saving, Quiet Four-Speed Circulator Motor
Durable Hot Surface Igniter with Norton Mini-igniter
Electronic Control Board with Self-Diagnostics
Run-Tested Prior to Shipment

This gas furnace has an AFUE rating of 80%, which means that 80 cents of every $1.00 of gas heats your home.

Additional Information

Before purchasing this appliance, read important information about its estimated annual energy consumption, yearly operating cost, or energy efficiency rating that is available from your retailer.

* Click on the Warranty link below for complete warranty details. To receive the Lifetime Heat Exchanger Limited Warranty (good for as long as you own your home) and the 10-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.