MRCOOL 3-Ton Signature Series 45K BTU 80% AFUE Downflow Single-Stage Natural Gas Furnace

The downtime when your gas furnace isn't working is the worst. With the MRCOOL Signature Series 45,000 BTU Downflow Single-Stage Natural Gas Furnace, you don't need to worry about that anymore! This 80% AFUE heater features a multi-speed high-efficiency blower motor, an easily removable slide-out blower design, and aluminized steel inshot burners for smooth ignition. With left or right utility connections, getting this 1275 CFM furnace installed has never been easier. So, don't pass by a top-quality natural gas furnace today!

Venting Requirements: This item requires a chimney with 4" inner diameter.

WARNING: For more information go to www.P65Warnings.ca.gov.

Please Note: Installation by a licensed professional is required where applicable.

Also Note: Follow the minimum and maximum vent size requirements from the table in the installation manual. A 4 inch diameter flue transition is factory installed, but a larger vent may be required.