The UTICA BOILERS MAC-205 is a condensing gas boiler designed for hot water systems. It features a 316L stainless steel heat exchanger and burner, and offers a 95 percent AFUE rating. The boiler modulates gas input, reducing energy use and utility costs. It automatically sets up during initial startup and continuously monitors combustion to optimize fuel savings.
7:1 Ratio Gas Modulation in Combination Mode
5.5:1 Ratio Gas Modulation in Heating Mode
Automatically Sets up the Boiler During Initial Startup
Continuously Monitors Combustion and Adjust Gas and Air Flow to Optimize Combustion and Fuel Savings
Product Highlights
This boiler is ENERGY STAR certified and suitable for wall mounting. It is compatible with natural gas and propane and can integrate hot water heating.
Product Information
Standard Information
Brand: UTICA BOILERS
Manufacturer Part Number: MAC-205
Technical Specifications
AFUE Rating
95 Percent
AGA Input Rating
164 MBH (Heating), 205 MBH (DHW)
Input Supply Rating
120 Volt AC 60 Hertz 1-Phase 12 Amp
Applicable Standard
ASME H, AHRI, CSA, CSA (Canada and US)
Boiler Material
316L Stainless Steel
Burner Type
316L Stainless Steel
Type
Hot Water
Gas Connection
3/4 Inch Female Threaded
Gas Type
Natural/Propane
Ignition Type
Direct Spark
Inclusions/Features
Boiler Control Module, User Display Interface, Heat Exchanger, 3-Way Water Diverting Valve, Combustion, Assembled Boiler with Jacket, Induced Draft Fan, Circulator Pump, Low Water Pressure Switch, Air Pressure Switch, Temperature/Pressure Gauge
Mounting Type
Wall Mount
Net IBR Rating
133 MBH
Pressure Rating
43.5 PSI
Relief Valve Details
Pressure Relief Valve Supplied
Return Connection
1 Inch Male Threaded
Supply Connection
1 Inch Male Threaded
Vent Size
3 Inch or 5 Inch Coaxial, 2 Inch or 3 Inch Pipe
Venting Type
Coaxial and Pipe
Water Content
0.1 Gallon
Fuel Type
Propane, Natural Gas
Efficiency
95%
Flow Rate at 70F Temp Rise (GPM)
3.5
BTU Input
205000
DOE Rating
153000
IBR Rating
133000
Features
Wall Mounted, High Efficiency
Control Technology
AI Control Technology, Auto Commissioning and Continuous Calibration functions optimize combustion and result in lower fuel costs. Control Panel features a backlit digital display that indicates boiler status, temperature and diagnostics.
Turndown Modulation Ratio in DHW Mode (MAC-115)
6.9:1
Turndown Modulation Ratio in DHW Mode (MAC-150, MAC-205)
7:1
Turndown Modulation Ratio in Heating Mode (MAC-115)
5.6:1
Turndown Modulation Ratio in Heating Mode (MAC-150)
5.7:1
Turndown Modulation Ratio in Heating Mode (MAC-205)
5.5:1
Flow Rate in DHW Mode (MAC-205)
5.0 GPM @ 70° F rise
Flow Rate in DHW Mode (MAC-150)
3.5 GPM @ 70° F rise
Flow Rate in DHW Mode (MAC-115)
2.5 GPM @ 70° F rise
Heat Exchanger
316L Stainless Steel Heat Exchanger and Burner. MAC-205, MAC-150 and MAC-115 are also equipped with a Stainless Steel Brazed Plate Heat Exchanger.