A sealing washer of synthetic rubber latex mounted between flange and terminal box keeps out dust and water.
The sealing of the switch handle against the terminal box is equally done with a special sealing washer, another one seals the lid against the terminal box.
The signalling light – a most difficult part to seal up – is protected with an o-sealing washer.
High-grade steel screws according to DIN regulations guarantee a long service life and reliable heating. Clever ideas make your work easy, e.g. the quick-assembly foot.
conform with protection mode IP 66/IP67 according to DIN EN 60529:2014-09 (VDE 0470-1:2014-09).
they are dustproof, protected against strong jets of water and even against temporary submersion into water.
service life for you we only use high quality raw materials. The heaters conform with all relevant German and European standards.
a heater should really fail you may be assured that all spare parts are instantly available. All parts can completely be recycled, wrapping materials are taken back into recycling process by Interseroh company.