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  1. Ron6a

    Vaillant boiler will only run on high pressure above 2.7

    Hi. My Vaillant boiler will only run on high pressure above 2.7bar. Anything below that and the dreaded F75 low pressure warning comes up and I have to put more water in till it gets to 2.8. The sensor has been changed at least 3 times on this 6 year old boiler. It runs an underfloor heating...
  2. Ron6a

    Iron filings in underfloor heating system

    I have a fairly modern house with underfloor heating throughout. All plastic pipes, no radiators or metal parts, other than the parts in the vaillant ecotec plus 630 boiler. It has a Magnaclean filter fitted, which I check at least twice a year. Every time I do this there is a build up of...
  3. Ron6a

    UFH manifold with no flow meters

    I have a Robbens UFH system, that was fitted in 2003. It has no flow meters but does have blanked off caps on the front of the lower run of the 2 manifolds, one for upstairs, one for down. My questions are. Is there a way to fit flow meters? There seems to be a big build up of air in the top...
  4. Ron6a

    RCD trips out in strong wind!

    During the latest bouts of strong wind and rain since January, the RCD trip switch in the fuse box keeps tripping. I have tried systematically turning off some of the meter switches to try and find which circuit is affected but as it only seems to trip twice about 15 minutes apart, this is...
  5. Ron6a

    wiring a type 6013 relay switch to a float switch

    Hi. I have a water harvesting system that needs a new float switch. There is a relay switch (see photo), as part of the old system installed in 2003. I have bought a new float switch for the tank in the loft, Float Switch 25 VA SPST Horizontal Ballcock Type PPS WRAS Cynergy3 RSF46Y100RG. I...
  6. Ron6a

    Adding insulation between joists to existing underfloor heating

    The house we moved into recently, has very good underfloor heating on the, solid ground floor but we have found that the first floor has no insulation fitted at all below the pipework. There is a foil 'spreader' above the pipes, which seems to be big sheets of galvanised metal laid on top of the...
  7. Ron6a

    removing one leaf of a thermal block cavity wall

    I want to put a pocket door into an existing internal, thermal block cavity wall, with an existing doorway. I'm thinking that if I remove just one side of the block work next to the door, I can fit the frame and replace a stud wall in it's place. Would I need a lintel or would the other side of...
  8. Ron6a

    6mm twin earth cable for a 4m spur

    I have about 6m of 6mm mains cable that I would like to use to move a double socket spur to the other side of the room, which would be about 4m. The existing socket is right next to the primary socket. I know 6mm is higher rated than is needed but would there be any problem with using it? I...
  9. Ron6a

    Adding additional radiator to Economy Seven system.

    We have a small house with Economy Seven storage heating and we are now having a small extension built. Is it easy/possible to add another heater to the existing system? Thanks for any help. Ron
  10. Ron6a

    Very heavy radiator to be fitted to Thermal block wall

    I have just bought a Quinn 'slieve' design double radiator 1600x723 horizontal. This is to be fitted to an outside wall of a 30 year old extension made from Thermal Blocks (no bricks). The weight of this radiator is so heavy that I cannot lift one end of it and am concerned that the wall will...
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