1：
Suitable for upper extraction water heaters for heat exchange.
2：
The inlet and outlet are connected by clamps or flanges, making assembly convenient.
3：
The lower air inlet is a stainless steel flange, and the upper air outlet is a smoke hood plug-in type.
4：
Made using advanced domestic technology, it has strong vibration resistance, good corrosion resistance, and stable performance.
5：
Equipped with a temperature protector.
6：
High heat exchange efficiency; High cost-effectiveness.
7：
No infiltration or deformation under 8Kg air pressure or 17Kg water pressure.
8：
The product is environmentally friendly and has a bactericidal effect.
