Bradford White UCG100H2703N 100 Gal Gas Water Heater

Product Description

The BRADFORD WHITE UCG100H2703N is a large-capacity commercial-grade natural gas water heater built for high-demand domestic hot water applications. With a 100-gallon tank and a 270,000 BTU/h input rating, this unit is designed to deliver sustained hot water output where standard residential equipment falls short. It operates on an atmospheric vent configuration, drawing combustion air from the surrounding space and exhausting through a conventional B-vent or direct flue system. Licensed plumbers and mechanical contractors are the primary installers for units of this size and input rating.

This water heater is suited for commercial and light-industrial domestic hot water systems, including multi-family residential buildings, laundromats, restaurants, and light manufacturing facilities that require continuous or high-volume hot water supply. Its 82 percent thermal efficiency rating supports reliable fuel economy at high firing rates. The atmospheric vent design simplifies installation in mechanical rooms with adequate combustion air supply, eliminating the need for powered venting components.

Key Features

• 100-gallon tank capacity for high-demand domestic hot water applications
• 270,000 BTU/h natural gas input for rapid recovery
• 82 percent thermal efficiency rating
• Atmospheric vent design compatible with conventional B-vent flue systems
• Natural gas fuel — no conversion required for standard gas service

Compatibility

Designed as an OEM-style replacement or new-installation unit for commercial and high-demand domestic natural gas atmospheric-vent water heating systems.

Installation Notes

Installation must be performed by a licensed plumber or mechanical contractor in accordance with local plumbing codes and the manufacturer's installation manual. Shut off the gas supply and cold water inlet before servicing or replacing this unit. Combustion air requirements for a 270,000 BTU/h appliance are substantial — verify that the mechanical room meets minimum free-air volume or has adequate makeup air provisions per IFGC guidelines. All gas connections, pressure testing, and venting must comply with applicable local and national codes before startup.

Technical Specifications

• Tank Capacity: 100 gallons
• Heating Input: 270,000 BTU/h
• Fuel Type: Natural Gas
• Vent Type: Atmospheric Vent
• Thermal Efficiency: 82 percent
• Application: Domestic Hot Water

Standard Information

• Brand: BRADFORD WHITE
• Manufacturer Part Number: UCG100H2703N