Haas prevents the ingress of foreign bodies through drainage pipes. The insertion depth is 35 mm and is tested according to DIN 997, DIN 1389, and DIN EN 476. The flushing stop features a stainless steel plate and can be welded to PE pipes or inserted into other drainage pipes. It is equipped with a special EPDM rubber sealing ring of high quality.

Installation note according to § 13 NAV:

Please note that devices with a connection value of 230 V are delivered with either a protective contact plug or a fixed connection (without a plug), depending on the power rating. If the device has a fixed connection, a qualified service provider must be commissioned for the installation. All devices with a connection value of 400 V and above must be operated via a suitable high-voltage connection and may only be connected by a qualified electrician. For devices with a rated power of more than 12 kW, approval from your network operator is required. Please contact the network operator or an installation company registered in the network operator's installer directory before installation. Such an installation company will assist you in obtaining the necessary approval from the respective network operator.