Q175SN Rinnai 175,000 BTU Natural Gas Condensing Solo Boiler

• Commercial Condensing Gas Boiler
• Type Hot Water, Sealed Combustion, Solo
• Applicable Standard CSA (Canada and US), ASME H, AHRI
• Supply Connection 1-1/2" Male Threaded
• Return Connection 1-1/2" Male Threaded
• Gas Type Natural
• Gas Connection 3/4" Male Threaded
• AGA Input Rating 175 MBH
• DOE Heating Capacity 162 MBH
• AFUE Rating 95 Percent
• Air Inlet Connection 5"
• Boiler Dimensions 26" Length x 15.2" Width x 26.8" Height
• Boiler Height Including Draft Hood 31.4" Coaxial, 34.6" Parallel
• Boiler Material Stainless Steel (Heat Exchanger)
• Water Content 1.8 Gallon
• Ignition Type Spark
• Burner Type Modulating Ceramic Premix
• Venting Type Direct
• Vent Size 3"
• Relief Valve Details 30 PSI ASME Relief Valve Supplied
• ASME Code Yes
• Pressure Rating 45 PSI
• Mounting Type Wall Mount
• Warranty 5 Year Limited Commercial/12 Year Limited Residential (Heat Exchanger), 2 Year Limited (Parts), 1 Year Limited (Labor) Commercial/Residential
• Options 3-Way Valve DHW Kit, RS100 Single Zone Controller, Flue Gas Temperature Sensor, Room Air Filter, NG to LP Conversion Kit, LP to NG Conversion Kit
• Inclusions/Features Concentric and Twin Pipe Venting Adapter, Factory Installed Boiler/System Modulating Pump, Onboard Outdoor Reset Control System with Sensor
• Boiler Type Water
• Fuel Gas
• AFUE 95%
• Vent Type Direct
• Mount Wall
• Heat Exchanger Material Stainless Steel
• Voltage Rating 120 Volt AC at 60 Hertz
• Application Residential or Light Commercial
• Warranty 5 Year Limited Commercial/12 Year Limited Residential (Heat Exchanger), 2 Year Limited (Parts), 1 Year Limited (Labor) Commercial/Residential

Install Instructions
Specification Sheet

High Efficiency;Factory Installed Boiler/System Modulating Pump;Onboard Outdoor Reset Control System with Sensor Standard;5:1 Turndown Ratio;12 Year Limited (Heat Exchanger), 2 Year Limited (Parts), 1 Year Limited (Labor) from the Date of Purchase Warranty;Energy Star Rated;Made in USA