Overview

The Ruud RGJF Ultra Series Modulating Gas Furnace equipped with the Comfort Control 2 System is seldom "off" and seldom "on" at 100%

Features

• Comfort Control System provides over 28 on board diagnostics and fault history codes by detecting system and electrical problems. "Call for service" alert notifications is sent to the thermostat to alert the homeowner of required service
• Can be converted to LP with an LP conversion kit (not included)
• Up to 3 tons of air conditioning can be added to this furnace
• Serial Communication Enhanced: When installed with a Serial Communicating Condenser and user interface control 500 series thermostat, this unit offers 4 or 2 wire installation, auto-configuration and diagnostic messaging with full communicating capability
• Heat exchanger is constructed of all stainless steel for maximum corrosion resistance
• When used with a modulating thermostat , modulation rate is between 40% and 100% of total capacity
• When used with a two stage thermostat, the furnace operates between 40% and 65% on the first stage, then up to 100% on the second stage
• When used with a single stage thermostat, the furnace functions as a three stage furnace, operating at 40%, 65% and 100% of total capacity
• Low speed constant fan
• Top electrical connections
• Dual seven segment LED for system diagnostics
• Diagnostic history for troubleshooting
• Two speed induced draft motor
• Direct spark ignition with remote sense
• Optional indoor or outdoor combustion air