Repair: Mechanical seal and O-ring replacement on small Lowara e-SV products

How to replace the mechanical seal and the O-ring on small Lowara e-SV products by removing the motor. Valid for: 1SV to 5SV all range, 10SV to 22SV lower than 5.5kW. The content of this video is a guide and must be installed by a qualified person in accordance with all relevant local Electrical and Water Supply Regulations.