Unit is Unlevel: Loosen the bracket screws slightly, adjust the position, and re-tighten. Do not try to force the unit into a level position while the screws are fully tight.
Depressurize the piping system entirely. Wear safety goggles and adhere to site-specific safety regulations avintos AG manual . hunta 145 install
Use a Level: Never eye-ball the placement. Use a spirit level or laser level to mark your pilot holes. Unit is Unlevel: Loosen the bracket screws slightly,
Manually spin the impeller before applying power to ensure it rotates freely without striking the housing. adjust the position
Ensure the valve stem is clean and undamaged.