Description
Why the MRCOOL 80% AFUE 90K BTU Upflow/Horizontal Gas Furnace 17.5" Cabinet
The MGM80SE090B4A is a professional-grade MRCOOL Signature Multi Position 80% AFUE Furnace Gas Furnace delivering 90,000 BTU of capacity at up to 80% AFUE SEER efficiency. Designed for contractors and serious DIYers who need reliable performance, precise comfort control, and straightforward installation in residential and light commercial applications.
Technical Specifications
| Specification | Value |
|---|---|
| Model / SKU | MGM80SE090B4A |
| UPC | 810512033638 |
| Series | Signature Multi Position 80% AFUE Furnace |
| Product Type | Gas Furnace |
| Capacity (BTU) | 90,000 |
| Efficiency Rating | 80% AFUE |
| Voltage | 120V/1Ph/60Hz |
| Refrigerant | N/A |
| Weight | 115.0 lbs (52.2 kg) |
| Brand | MRCOOL |
Installation & Product Tips
- Always install a properly sized filter — a dirty filter is the leading cause of furnace failure.
- Ensure the flue/vent pipe is properly sized and pitched for safe exhaust.
- For 96% AFUE models, a PVC condensate drain line is required.
- Check local code requirements for gas line sizing and shutoff valve placement.
- Register your product within 30 days of installation to activate full warranty coverage.
Frequently Asked Questions
Compatible Accessories
- Signature Series Air Conditioner Condenser
- Signature Horizontal Coil
- Smart Wi-Fi Mini Stat
- Signature Series Heat Kit
Need help selecting the right system?
Contact our HVAC experts at /contact-us/
Contact our HVAC experts at /contact-us/
Warranty Information
MRCOOL Signature Multi Position 80% AFUE Furnace products are backed by a manufacturer warranty. Register your product within 30 days of installation to activate full warranty coverage. Warranty terms vary by product line — contact MRCOOL directly or visit their registration portal for complete details.
