18 Litre Aquasystems ARB18 Potable Expansion Vessel 3 Bar with Integrated Bracket - XVES050055

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The installation was very simple, the engineer powered off the mains of the boiler and replaced the vessel and restarted the system and it was all good. My current Baxi boiler system needed topping up on a daily basis so bought the ARB18 Expansion Vessel (Baxi Megaflow system) Package Content :1x ARB18 Expansion Vessel (Baxi Megaflow system) FittingsThe item arrvied sooner than expected, kudos to the seller. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average.

An expansion vessel absorbs the water volume variations in heating systems maintaining constant pressure and help to reduce energy consumption. When it arrived it had all the labels as on the already fitted [[ASIN:B01BGZQVY6 ARB18 Expansion Vessel (Baxi Megaflow system) ]]. I dont want it replaced with the same one, ideally an upgrade to a better manufacturer, so your recommendations for a reliable one would be great.The main purpose of the vessel is to compensate for the increase in volume of water due to the varying water temperatures in the system, e. The existing [[ASIN:B01BGZQVY6 ARB18 Expansion Vessel (Baxi Megaflow system) ]] was installed in 2003 and the registered engineer said the reason I have to keep topping up the system on a daily basis was due to the expansion vessel. The existing ARB18 Expansion Vessel (Baxi Megaflow system) was installed in 2003 and the registered engineer said the reason I have to keep topping up the system on a daily basis was due to the expansion vessel. This seems to be a simple job of emptying the cyclinder below the line in the picture and islolating the feeds.

Hi I have the boiler serviced every year by Valliant (although they use subs) as a condition of the ten year warranty so would expect them to keep an eye on the system . The installer of the system was in last year to pump up the vessel and said it was unlikely to last much longer, however looking at Gas Safe the installers of that firm now have no unvented certs so hesitant to get them back in. Surely some have better membranes than others and installers prefer certain makes to others for reliability. When it arrived it had all the labels as on the already fitted ARB18 Expansion Vessel (Baxi Megaflow system) . The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.The bracket setup for this one is well dodgy as if it breaks off the wall it will fall on the other pipes and I'll be in a whole lot of trouble! Not just the static pressure but probably letting all the air out ( which can also contain water on the air side! As the process is going on, the membrane deflates until the pressure reaches its minimal threshold value. New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging . An unvented cylinder is expected to be checked/serviced every year and that would usually include checking the EXV.