Glandless circulation pump for pipe installation with manual 3-stage speed switch.

With blocking-current proof motor. Pump housing made from cast iron (bronze depending on type), impeller made from glass reinforced plastic, stainless steel shaft with metal-impregnated carbon plain bearings. Used as standard in cold-water systems up to -10°C.

Operational safety thanks to drilled-through shaft and filter unit in front of the cartridge