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Replace combi boiler expansion vessel or install a new external vessel

bren1916 · 2024-02-13 14:17:41

Hi, The pressure gauge on my combi boiler goes from over 3bar when on to zero when heating is off so assume the internal vessel is gone. It's a Dimplex System 18 and around 10yrs old so wondering should I have the vessel replaced or have an external one installed in the hot press? Which option is better in terms of…

13-02-2024 2:17pm

#1

bren1916

Registered Users Posts: 41 ✭

Join Date: September 2006

Posts: 26

Hi,
The pressure gauge on my combi boiler goes from over 3bar when on to zero when heating is off so assume the internal vessel is gone. It's a Dimplex System 18 and around 10yrs old so wondering should I have the vessel replaced or have an external one installed in the hot press? Which option is better in terms of cost/maintenance/etc? Thanks!

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Comments

#2 13-02-2024 2:26pm

Wearb

Moderators, Home & Garden Moderators Posts: 6,347 Mod ✭✭✭✭

Join Date: November 2010

Posts: 6000

Hotpress, and oversize it a little relative to the existing one.
Of course your plumber will be the one to give the final call on it.

Please follow site and charter rules. "Resistance is futile"

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