Recent content by Last plumber

  1. Last plumber

    Modified Y plan for unvented cylinder

    I was thinking that when the new two port opens and turns boiler and pump on, the normally open port (priority) on the three port is uncontrolled.
  2. Last plumber

    Modified Y plan for unvented cylinder

    I see. I was thinking something was no longer fully controlled temperature wise but I suspect you know what I was thinking!
  3. Last plumber

    Modified Y plan for unvented cylinder

    What do the ports A & B on the 3 port feed?
  4. Last plumber

    Modified Y plan for unvented cylinder

    What do the ports A & B on the 3 port feed?
  5. Last plumber

    Google Nest wiring, C plan?

    Sounds like you're working on a 'Y' plan. Mid position valves are 3 port as mentioned above.
  6. Last plumber

    What under sink water heater?

    Santon AH10.
  7. Last plumber

    NICEIC Certification Scheme NICEIC Complaint? Waste of time.

    I came across a new consumer unit install with no earth. That was put in by an NICEIC registered electrician. All the paperwork was there with text book figures but he must have had little experience and obviously hadn't tested it. If he had tested it, he would have recognized that there was an...
  8. Last plumber

    Electric underfloor heating for a church?

    When I said 'wet' system, I didn't mean UFH. I meant pipework in the right positions as well as rads etc, etc. Just being a bit clearer.
  9. Last plumber

    Seem to find time wasters

    I just lost out on a plant room refurb with 2 x commercial boilers, plate heat ex, pumps and controls to someone who gave a 'significantly lower price' and fitted a Combi.
  10. Last plumber

    Seem to find time wasters

    I think £200 per day for a spark sounds cheap to be honest. As others have said, focus on your regular loyal customers as you gain them and look after them as best you can. They are your bread and butter and they will recommend you to other like minded folk. It takes years to build a customer...
  11. Last plumber

    Electric underfloor heating for a church?

    Wet system, pipework and rads sited correctly is the best thing for a church in my opinion. Maybe a couple of Myson low line fan convectors on a separate zone (drop out prior to service). Infrared wall heater in transepts or other small rooms/areas that might be used on occasion or for small...
  12. Last plumber

    Possible fault with motorized valve

    First thought in my head was a frost stat issue but it could be many things. It all depends on what system and how it is wired and Plumbed. Need more info really otherwise it's guess work. When you say system boiler, is that a real system boiler or a regular boiler? Sorry to ask, no offence...
  13. Last plumber

    Replacing 3 phase circulating pump

    I would isolate it electrically (obviously), close the valves, loosen the motor at the four Allen key machine screws to check the valves are closed before breaking the flange seals and if all is well remove it and fit a blanking flange/plate to each side, find a replacement but stick to three...
  14. Last plumber

    DHW cylinder thermostat and cut-out.

    It will be a while before i'm that far north again but if you do need any more info and I can help, let me know.
  15. Last plumber

    DHW cylinder thermostat and cut-out.

    I obviously haven't seen this so you'll need to put up with me thinking out loud. The image of the system I have in my head, going off your description sounds like it could do with a contact set? I'm thinking that your switched live (SL) from whatever calls for heat through the over heat and...

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