Recent content by SpaghettiCat

  1. SpaghettiCat

    How to repressurise strange boiler?

    Ah I see, good to know. I didn't know enough about that so took the warnings about contamination seriously. The shower hose didn't have a non-return valve, so I connected it to the non-return valve that came with the filling loop. The filling loop came with 2 valves on each side of the flexi...
  2. SpaghettiCat

    How to repressurise strange boiler?

    I could yes, but I needed to use the Non-Return Valve that came with the loop, otherwise boiler water may have flowed back and contaminated my mains.
  3. SpaghettiCat

    How to repressurise strange boiler?

    To give an update, the filling loop arrived yesterday, but valves cannot be connected to each other directly so I could not connect the filling loop to the valves under my sink. I have no idea why every filling loop comes with compression nuts: they do not help at all. Then I had a stroke of...
  4. SpaghettiCat

    How to repressurise strange boiler?

    OK, thank you very much everyone, I learnt so much about boilers! To confirm, I'm going to unscrew the nuts on the valves under the sink (water won't gush out because the levers are in the closed position), then attach the hose such that water flows only from the Cold Mains to CH Flow, and open...
  5. SpaghettiCat

    How to repressurise strange boiler?

    Yes, I triple checked before, and now I checked again. The pink one connects to CH Flow on the boiler, the green one to the Water in. So that left hand valve is on the "Water in" pipe I felt that valve and it wasn't stuck; maybe it's just grimy? Been living here off and on for over a decade...
  6. SpaghettiCat

    How to repressurise strange boiler?

    Thank you, that explained a lot and the symbols make sense now. Which valves do you mean? The black plastic circles with screws that are by the symbols on the boiler? All 4 are plastic, so I'm not sure which other ones are there. I found another valve And I think I shouldn't touch the Gas...
  7. SpaghettiCat

    How to repressurise strange boiler?

    Hello, I have a Worcester Greenstar 25Si Combi MK IV boiler. Neither this model's manual nor all the Youtube tutorials on how to increase a boiler's pressure seem to correspond to what this boiler actually looks like: there is no slot for a filling link key, there is no keyless filling link blue...
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