Condensing Gas Boiler; Type Hot Water; Supply Connection 1-1/2 Inch Threaded; Return Connection 1-1/2 Inch Threaded; Gas Type Natural/Propane; Gas Connection 1 Inch Threaded; AGA Input Rating 72.5 to 399 MBH; DOE Heating Capacity 379 MBH; Net IBR Rating 330 MBH; AFUE Rating 95.1 Percent; Air Inlet Connection 4 Inch; Boiler Dimensions 24-7/8 Inch Width x 23-5/8 Inch Depth x 39-3/8 Inch Height; Boiler Material Stainless Steel; Water Content 7.4 Gallon; Ignition Type Direct Spark; Burner Type Stainless Steel; Venting Type Automatic; Vent Size 4 Inch; Relief Valve Details 3/4 Inch NPSC, 30 PSI ASME Relief Valve Supplied; Mounting Type Wall; Warranty 10 Year Limited (Heat Exchanger); Options Warm Weather Shutdown, Freeze Protection; Inclusions/Features 6 Navigation Button, Built-In Mixing Valve Control, Variable Speed Blower, Integrated Pressure and Temperature Gauge, Outdoor Temperature Sensor, Alarm and Flame Status Contact; Applicable Standard ANSI Z21.13, AHRI, ASME H, ETL (Canada and US), CSA 4.9; Turndown Ratio 5.5:1
Quiet operation The prestige boiler continues to feature the uniquely designed stainless steel heat exchanger and boasts 95 percent efficiency across the entire range The prestige has the capability to modulate with a turndown ratio of up to 5 5:1 This modulation means the boiler will alter its firing rate to meet the current demand, causing less cyclic behavior and resulting in lower operating costs The improved acvmax control makes configuration quick and easy with setup in 60 seconds or less for standard installations Polypropylene condensate pan and internal flue pipe, direct spark ignition with variable speed blower, automatic air vent, outdoor temperature sensor, terminal block, automatic low water cutoff, low voltage terminal strip with removable jumper Energy Star rated