- Fuel: Oil-Fired
- System: Hot Water
- Combustion: Atmospheric
- Capacity: 4 sizes, .75 to 1.65 GPH Firing Rates
- Efficiency: AFUE 87.0%
The Q3 boiler is a hot water boiler heating system which oil-fired cast iron boiler offers high-efficiency. Its cast-iron design is recognized by heating professionals everywhere as the longest lasting, most durable heat exchanger material. It’s an ideal choice for new construction.