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Gents, I have a Baxi 105he instant, I want to fit an external EV on the return flow. I intend to use the 22MM flushing connection to connect it. Questions. Do i have to use the RV that comes with the external EV or can I still rely on the boiler RV? Can I use a braided flexi to...

Gents, I am so greatful for previous advice on my boiler. I recently posted problems with my 105 he instant (diverter v/v change) which cured that particular problem. However, i think now i have a DHW heat ex problem? Hot water is hot instantly but i have to throttle the flow to keep some...

Gents some questions. Does the left hand side of the boiler casing need to come off? Do the rubber heat ex seals need to be changed? Are the sealing washers fibre or rubber? I am preparing to change one, any advice welcome. Thanks Paul.

Hi guys I wonder if anyone can help me. I have a Baxi 105 he instant boiler. Today I came home to find the CH on, but there was No demand and not selected to run at that time (timer). The boiler was firing the instant hot water but heating the rads. Hot water has been iffy for a couple of...

My expansion vessel schrader v/v is leaking air. I have tried to change the core but it is tight after 1/2 a turn and feels like it doesnt want to come out. Are they meant to be changed, any advice welcome thanks.

Hi to all you experts out there, im looking for advice.. I have a Baxi 105 HE about 2 years old, it is noisy/gurgling only in pre heat mode. Can i bleed that circuit? It used to be quiet apart from hearing boiler kick in, possibly got air boiler in when i cleaned magnetic filter? though fairly...