Discuss Wilo Yonos Pico pump - venting question in the Central Heating Forum area at PlumbersForums.net
No, there is no magic vent, the venting function keeps speeding up and slowing down the pump for 10 minutes?, I didn't (have to) use that function in mine on installation and yes you still have to vent the rads/system.
Reply to Wilo Yonos Pico pump - venting question in the Central Heating Forum area at PlumbersForums.net