Ge nf80d070s3br 80% Afue Downflow Gas Furnace 70K Btu

Product Description

The GENERAL ELECTRIC nf80d070s3br is an 80% AFUE single-stage downflow gas furnace rated at 66,000/54,000 BTU/h output, designed for residential forced-air heating systems. This B-cabinet unit measures 33 inches tall, 17.5 inches wide, and 28.375 inches deep, making it suitable for closet and utility-room installations where downflow airflow is required. A constant-torque motor provides consistent airflow delivery while reducing energy draw at the blower. Compatible with R410A and R454B refrigerant systems on the cooling side, this furnace integrates into split-system applications. Licensed HVAC contractors are the intended installers for this equipment.

This furnace is built for residential downflow applications where supply air is delivered through the bottom of the unit into an underfloor duct system. The B-cabinet width fits standard residential platform or closet installations designed around the 17.5-inch cabinet class. Single-stage heating operation means the gas valve and burner operate at one fixed rate, simplifying controls integration and keeping installation straightforward in applications where two-stage or modulating operation is not required. Standard emissions compliance makes it suitable for most jurisdictions without additional permitting related to low-NOx mandates.

Key Features

• 80% AFUE efficiency rating reduces fuel consumption compared to non-condensing legacy equipment
• Single-stage heating for straightforward thermostat and control wiring
• Constant-torque blower motor for consistent static pressure performance across duct systems
• Downflow airflow configuration for underfloor or platform-mount duct installations
• Compatible with R410A and R454B refrigerant on split-system cooling coil applications
• Limited lifetime heat exchanger warranty with product registration

Compatibility

Designed as an OEM downflow gas furnace for residential split-system heating applications using B-cabinet platform installations. No specific model compatibility data was provided in the product input.

Installation Notes

Installation must be performed by a licensed HVAC contractor in accordance with the manufacturer instructions, local mechanical codes, and IFGC requirements. Shut off gas supply and disconnect electrical power before servicing or replacing any furnace component. Downflow furnaces require a combustible-floor base or listed non-combustible platform when installed over combustible flooring. Verify duct static pressure and gas supply pressure are within the manufacturer-specified ranges before commissioning the unit.

Technical Specifications

• AFUE: 80%
• Heating Output: 66,000/54,000 BTU/h
• Heating Stages: Single-Stage
• Airflow Direction: Downflow
• Motor Type: Constant Torque
• Refrigerant Compatibility: R410A/R454B
• Emissions Level: Standard Emissions
• Overall Height: 33 inches
• Overall Width: 17.5 inches
• Overall Depth: 28.375 inches
• Net Weight: 120 pounds
• Approximate Shipping Weight: 130 pounds
• Color: Gray
• Parts Warranty: Limited 5-year entire appliance; Limited 10-year entire appliance with registration; Limited 20-year heat exchanger; Limited lifetime heat exchanger with registration

Standard Information

• Brand: GENERAL ELECTRIC
• Manufacturer Part Number: nf80d070s3br