Technical data Phase Voltage See chapter water treatment for suitable pump Technical data • Pump housing and pump impeller made of bronze - For optimum quality and life. • Pump shaft made of acid-resistant stainless steel - For increased corrosion protection. • High-quality motors - For cost-effective operation and long life. • Pre-filter made of bronze with filter basket of composite material - Easy access for cleaning of the filter basket. • Equipped with drainage plug - For easy draining of water, for instance at the end of the season. • Tested and certified by a Notified Body - Important for product safety.