Gravity system unreliable after HW tank change

[Nige F]

You don`t need to go sealed system...and the heating guy should be able to recommend best way to change to fully pumped. He`ll be able to see the layout @ the end of the day... gravity (thermo syphon ) circuits are for old dinosaurs like me

 

[Wumpu5]

OK, that makes sense.

Many thanks for your help Nige, the advice is much appreciated.

Thanks to Corgiman too.

 

[Legion]

Please note rule 2 (Posts should be relevant to the topic.) - See here for the forum rules.
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[Legion]

Please note rule 2 (Posts should be relevant to the topic.) - See here for the forum rules.
Unhelpful posts are not welcome