Friedrich FR801V0503A14DZSCAP Gas Furnace 50000 Btu Downflow

Product Description

The FRIEDRICH FR801V0503A14DZSCAP is a natural gas furnace rated at 80 percent AFUE, delivering 50,000 BTU/h of heating capacity in a downflow configuration. It is equipped with an ECM variable-speed motor, which modulates airflow to maintain consistent comfort and reduce energy consumption compared to fixed-speed alternatives. The unit is sized for a 3-ton system and operates as a single-stage heating appliance. Licensed HVAC technicians install this furnace in residential applications where a downflow discharge orientation is required by the duct layout.

This furnace is designed for downflow installations, meaning supply air discharges through the bottom of the unit into an underfloor or crawlspace duct system. The 14-inch cabinet width makes it suitable for space-constrained mechanical rooms or closets configured for downflow equipment. The ECM motor supports variable-speed operation, which benefits systems where precise airflow balancing across a 3-ton coil and duct layout is a priority. Natural gas is the required fuel type. A qualified HVAC contractor familiar with gas appliance installation codes should perform all work.

Key Features

• 80 percent AFUE efficiency rating for natural gas heating
• 50,000 BTU/h heating output matched to 3-ton system capacity
• Downflow configuration for under-floor supply duct systems
• ECM variable-speed motor for consistent airflow and reduced operating costs
• Single-stage heating operation with straightforward control integration
• 14-inch cabinet width for installations with limited horizontal space

Compatibility

Designed as an OEM-style downflow gas furnace for residential natural gas heating systems requiring a 3-ton, single-stage, ECM variable-speed appliance in an 80 percent AFUE rating class.

Installation Notes

Installation must be performed by a licensed HVAC technician in accordance with the International Fuel Gas Code (IFGC), local mechanical codes, and the manufacturer instructions. Shut off the gas supply and disconnect electrical power before beginning any connection work. Downflow furnaces require a listed combustible-floor base or alcove installation that meets clearance requirements specified in the installation manual. Vent this appliance using an approved venting system rated for 80 percent non-condensing gas appliances.

Technical Specifications

• Fuel Type: Natural Gas
• Heating Capacity: 50,000 BTU/h
• AFUE Efficiency: 80 percent
• Nominal Tonnage: 3 tons
• Stages: Single Stage
• Configuration: Downflow
• Motor Type: ECM Variable Speed
• Cabinet Width: 14 inches

Standard Information

• Brand: FRIEDRICH
• Manufacturer Part Number: FR801V0503A14DZSCAP