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Yes superfire 2 works upside down and thats often a position i find myself in if im ever forced into hot works

Lose the link to 5 and wire the rest up the same ie lne and hw on,off and ch on. Link your room stat out at either wiring centre end (preferable) or make n safe on its own and link l and ls wires to room stat

Im not knocking your service, just saying its above and beyond what it needs. Obviously its 2 mi utes to whip out and clean the trap so you would...but you can see if they need doing. I personally would do a full check on the vessel if rads need bleeding but i generally ask that first and if...

Service procedure is in the manual. The above would certainly be an extremely thorough service and a lot of that work would be optional rather than required. All the cdis you can visually see if the condensate needs cleaning, the expansion vessel pressure will show if its required on the max...

Potable water expansion vessels do not let the membrane come into contact with the mild steel body at any point, they are like a hot air balloon shape rubber membrane and thinner than the membrane stretched across the red ones as they shouldn’t have any sort of aggressive chemicals to deal with...

A 3 bar vessel is for unvented hot water not central heating and will be unsuitable to replace a 0.7 - 1 bar ch vessel, you know that right?. Just checking.

The 25% restocking fee and wasted time?

These are mine, lovely.7238FB8D-511A-4410-8194-D1ED3AAC97AB by ollski posted 22 Jun 2019 at 5:02 PM

It may just be the condensate blocked but equally it could be gas pressure so I’d give someone a ring

22mm pipe takes some serious overtightening to distort!.is it seized open or shut?, if open just fit another one where it is accessible.

There’s very few prvs you can’t just swap the heads on

I’ve had a pint of condensation water from the schraeder before with a perfectly intact membrane. I’m still astounded by the number of heating engineers who can’t repressurize a vessel correctly....and don’t even start me on external unvented vessels, if he doesn’t come down the stairs looking...

Get a decent local in, it will need virtually nothing doing.

I did try them and they were a little cheaper and had some good px deals but it just suited me better to send to Testo through wolseley on account so I got another month or 2 to pay for it!

It’s the flow sensor usually, if it’s got the rubbish grey one then I’d say virtually definitely

It’s gone back to normal now mate thanks but they did update the firmware. Unfortunately both sensors needed replacing and long life jobs...super pricey

my 330 has just come back from service calibration (for a bargain 650 quid!) and now the printouts are shot. I left it running and it used half a roll of paper putting one line of text every 6 inches. Anyone ever had this?. It was fine before so guessing it’s just something in settings somewhere

Then it’s not fired up, heat has to go one way or another

If the boiler fires for hw do the radiators get warm while the taps running?