Durable and long-lasting - The 304 stainless steel wall top pipe with an inner diameter of 6 cm provides complete ventilation and fire protection functions, only suitable for air pipes with a diameter less than 6 cm.
Horizontal wall top pipe is used for horizontal exhaust ventilation, only through the outer wall, suitable for tankless water heaters CA318, CA318W-LP, CA318-NG and other models, not suitable for CA422 water heaters.
Adjustable thickness - The size of the waterproof plate for the wall top needle is 25 cm x 25 cm, with tight internal connections. To accommodate thicker walls, the thickness can be adjusted from 10.9 cm to 20 cm.
Corrosion-resistant material - double-walled pipe, made of stainless steel, with a polished surface to keep the chimney's outer wall cool while ensuring high flue gas temperature for optimal ventilation performance.
Please note: Before purchasing, please confirm that the diameter of your exhaust pipe is less than 6 cm, otherwise it will not be compatible with your exhaust pipe.