Reply To: DSL Modem/Router Recommendations Hi all, New to this site. I currently am with BT ISP and have a BT Smarthub as my router. Been no issues with it until recently whereby it keeps…

[Grisu]

Probably you only need to refill expansion tank with 3 bar air or whatever pressure is recommeded for it, then chances are good to have it running next 5 years as before. After that refill water to 1,5 bar again.

Without air in the baloon pressure must go down rapidly.

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