Special features/product advantages Very simple installation also in front-wall-like installations thanks to system’s low weight, space-saving, compact design and integrated non-return valve Maximum connection flexibility thanks to individually configurable feed lines on both sides and at the front Corrosion-resistant stainless steel motor, integrated thermal motor protection, non-clogging vortex impeller and alarm sound, optionally with Wilo-SmartHome connection for high levels of operational reliability