Drained the system, replaced grundfos pump, refilled system. Continued build up of air and airlocks since. Have tried draining and refilling system without success. Tried different pump settings. Very small continuous air bubbles escape when draining system. Any ideas I'm really stuck!
air in system
- Thread starter alan blackburn
- Start date
Drained the system, replaced grundfos pump, refilled system. Continued build up of air and airlocks since. Have tried draining and refilling system without success. Tried different pump settings. Very small continuous air bubbles escape when draining system. Any ideas I'm really stuck!
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