Only 1/2' connections or greater are possible. Curved or angled radiators cannot be galvanized. Galvanizing causes structures on the surface. We cannot guarantee clean, smooth surfaces. This particularly applies to any subsequent colouring.
See "Surface Protection" for explanation.
Depending on the water quality, e.g. in case of district heating, the sealed connections and plug might need to be tightened after test pressure of the first heating of the plant. The sealing materials supplied by and used by Zehnder are suitable for use in closed heating systems.
Radiators made-to-measure:
The guarantee period for these products is two years. See the General Sales and Delivery conditions for more information.
Design radiators:
In deviation from the specification laid down in 8.2 of our General Sales and Delivery conditions, the guarantee period for the specified products is 5 years; electrical components only 2 years.