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  1. Sparkgap

    Beware the misread label!

    We are currently having issues with ionisation probes (supposedly) on a pair of large commercial boilers at a site. While discussing possible causes (not that we are too concerned as this issue has been dropped back in the lap of the manufacturers who commissioned them) I got to thinking of...
  2. Sparkgap

    The importance of polarity

    Talking with one of the guys in the office about a mysterious boiler fault (runs, ignites, locks out) reminded me of an issue in a new boiler room some years ago. Three new gas boilers all installed at the same time, due to handover to client but one boiler kept locking out. It would go through...
  3. Sparkgap

    Height of soil vent above connection.

    The soil pipe from my bathroom passes through the outside wall and into the roofspace above the adjacent single storey kitchen before dropping into the ground at the end of the kitchen (about 4.5m out). The existing vent riser comes off outside the bathroom and rises through the roof on the...
  4. Sparkgap

    What's better than one pump?

    Went to a small hotel we put new boilers and cylinder in last year as they were complaining about no hot water and heating on the top floor. I should add that's all we did as I thought the existing systems needed total ripping out and starting again but they didn't want to spend the money. Hot...
  5. Sparkgap

    Fastflo water heater reliability?

    Some 6 years ago I replaced an old Andrews R2000 series water heater at a local factory with 3 Fastflo water heaters and additional storage (about 1500 litres total). Since then we have had a number of performance issues with the heaters, one has been replaced totally and another has had new...
  6. Sparkgap

    Myson BW3X unit heaters

    Has anybody come across Myson BW3X heaters? Have a number in a factory & looking for info on outputs for replacement.
  7. Sparkgap

    Ghostly clock

    Interesting little problem: local scout hall has a clock on the wall, Smiths quartz same as what goes in schools. Has a problem keeping time, in fact it was so far behind that I replaced the battery three days ago and in the next 90 mins it lost a quarter hour. Took it home and left it in the...
  8. Sparkgap

    Unvented cylinder parts needed?

    I'm looking at specifying a 300 ltr unvented cylinder for a house extension. Due to incoming water pressure problems they are putting a storage tank in the roof with a variable speed boost pumpset to feed the cylinder and cold water to the bathrooms. The cylinder schematics show the usual 3Bar...

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