Commercial Boilers - Gas Boilers Series GM™ Boiler
The Series GM™ gas-fired cast iron boiler is the ideal choice for large residences or commercial applications, especially when a cascade application is required. When this boiler is used in single or multiple boiler installations it is designed to be vented into a conventional chimney and can work in higher pressure applications requiring up to a 100PSIG relief valve. The fully-packaged, atmospheric boiler is available in four sizes with inputs of 228 MBH to 399 MBH.
Construction: Cast Iron
Fuel: Gas-Fired (Natural or LP)
Input: 214.5 to 399 MBH
Output: 182 to 320 MBH
Venting: Natural Draft
Ignition: Spark Pilot
|Series GM™||Input, kW||Output, kW||Net Ratings Water, kW|
|Model Number||Input, MBH||HEATING CAPACITY1, MBH||Net Ratings2, MBH||AFUE1, %||Thermal Efficiency3, %||Combustion Efficiency3, %|
- Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) ratings are based on U.S. Government test.
- Net water ratings based on an allowance of 1.15. Additional allowance is required before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
- Gross Output Rating, Thermal Efficiency and Combustion Efficiency determined in accordance with AHRI requirements.
Series GM™ Boiler Dimensions
|Boiler Model Number||Jacket Depth
|Left of Jkt. to C/L of Vent
|Top of Jkt. to Vent Connector
*Vent diameter is determined by outlet diameter of vent reducer (provided) installed on outlet of vent damper. 8″ to 7″ reducer on GM-e-05; 9″ to 8″ reducer on GM-e-06.