• STS 3 4 stainless steel heat exchanger
• Direct electronic ignition, automatic flame sensing
• Temperature controls includes remote thermostat that can precisely adjust the output temperature with the capability to display temperatures
• Outdoor reset control built-in customizable programming for energy savings and comfort with outdoor temperature sensor
• Durable steel casing with polyester coating
• 6 feet power cord installation kit
• Flame sensor, over heat cut-off limit switch, gas leak detector sensor, water leak detector sensor, exhaust temperature sensor, pressure sensor, heating supply temperature sensor
• Internal pump used as primary closed loop for heating mode and pre-heating of internal plate heat exchanger in domestic mode
• 3/4" gas pipe connection
• 15 - 15 psi operating pressure
• Pre-mixed metal fiber burner
• 1 years limited heat exchanger warranty for residential use and 5 years limited parts warranty

CB199-DV-NG