Advantages of gas boilers:
1.Inside Three-Pass Flue Gas Tube Design.
2.Ultra-large Corrugated Furnace.
3.Internal Threaded Smoke Tubes.
4.Dual Sealing Structure Of Smoke Box.
5.Dual-Stage Economizer
6.Five-Level Water Level Protection.
7.Three-grade Pressure Protection.
8.PLC Fully Automatic Operation.
9.Thermal Efficiency > 98%
10.Exhaust Flue Gas Temperature < 70℃.
11.NOx Emission<30mg/m³.
12.Furnace temperature < Environment temperature +15℃