
The GD9S961005CN brings serious heating power to downflow installations — 100,000 BTU at 96% AFUE in a 21" cabinet. Built for larger homes that need high-output heating from a closet or attic-mounted furnace, this unit combines efficiency and power in one reliable package.
Key Features:
- 96% AFUE — converts 96 cents of every dollar of gas into usable heat
- 100,000 BTU input — built for large homes
- Downflow / horizontal installation — perfect for closets, alcoves, and attics
- Single-stage operation with 9-speed ECM blower motor for quiet, efficient airflow
- Heavy-duty aluminized-steel tubular heat exchanger
- Stainless steel secondary heat exchanger for maximum heat extraction
- Self-diagnosing control board for easy troubleshooting
- Can be converted to propane with optional LP conversion kit
- Low NOx emissions — meets nationwide installation requirements
- R-32 compatible with onboard RDS sensor
- AHRI Certified and ETL Listed
Specs:
- BTU Input: 100,000
- AFUE: 96%
- Cabinet Width: 21"
- Stages: Single
- Blower Motor: 9-Speed ECM
- Fuel Type: Natural Gas (LP convertible)
- Installation: Downflow / Horizontal
- Venting: PVC/Plastic
- Voltage: 115V
Compatibility: Compatible with 2-5 ton R-32 cooling systems.
Warranty: 10-year limited parts warranty + lifetime heat exchanger warranty when registered within 60 days of installation.
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