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Search results

  1. R

    Oil boiler over sized ?

    I have not been doing oil boilers long (recently oftec registered) I am quoting for a regular boiler change. Measured 4 bed house and including hot water is 12.5kw Customer wants a floor Grant vortex. Although the smallest they do is 15-21kw will this be oversized. If so any suggestions as...
  2. R

    Plumbing design for horse washing station...

    Hi . Trying to work out best way to get hot water to two horse washing stables. What is there now is a block of old stables. At one end is two large water tanks feeding each stable water troughs. They want hot water to wash the horses down using the last two stables which is 50m away from cold...
  3. R

    Unvented Megaflow or Thermsaver

    I have to replace a old oso unvented indirect cylinder Internal (with expansion chamber). I was thinking a megaflow but have just seen a thermsaver also with internal expansion chamber at 300 pound cheaper. Has anyone installed these and are they any good or any info on them. Or if anone has any...
  4. R

    Soil pipe to vent or not to vent. Or to AA, or nothing

    Attached is a picture of some new plumbing. Do yoyu have to vent at the top of the 4" pipe or is the stack pipe further along from chamber sufficiant Thanks Ray
    • RayPlumb
    • Thread
    • pipe soil soil pipe vent
    • Replies: 3
    • Forum: Boilers
  5. R

    Baxi 105e combi fan flue fault flashing

    Have a baxi 105e combi. The fan flue fault light is flashing. Hot water on and fan starts and thats it, no burner. The fault finding check list says Air Pressure switch. Tested - got continuity on brown + black (boiler off) on switch... No blockages in APS pipes or flue. Put Central heating on...
  6. R

    Are all MDPE pipe makes the same size

    Just got some 25mm floplast fittings and inserts (black) and some 25mm MDPE blue pipe. The problem is the floplast inserts only go in about 10mm into the pipe and are too tight to go further. The MDPE pipe is waven. I tried white inserts polypipe and they fitted ok. I know you cant mix...
  7. R

    Will this pipe design work ok?

    I have attached a picture of the proposed layout of a new install of rads. Does any one know if this design will work ok the heavy lines are 22mm and thin lines 15mm. I am worried if I will get enough flow to the ground floor large rads. Any advice woulf be appreciated. :confused:
  8. R

    Which type Stat recommended for old lady?

    Elderly lady has combi baxi he80 (8yrs old). mechanical time clock running slow. The boiler is in the garage on the side of the house . I wanted to make it easier to use without having to go to the garage. I was thinking of putting in a RF programme thermostat but was worried if it would get...
  9. R

    Torrent cylindar with solar - Hot water has antifreeze

    Have a client with a torrent cycildar with solar indirect. I changed some Radiators a few weeks ago now client says hot water smells of antifreeze ?? Solar system is pressured to 1.8 bar which I did not touch and pressure is still the same. Central heating sealed system. I reset after new...
  10. R

    New Mains pipe insulation

    I have been asked to replace a mains pipe from the metre along 20m run to stopcock in kitchen. The metre is about 450mm deep (though 750mm was the min). I will run new 25mm mdpe pipe in 63mm blue ducting to the house. I was going to insulate the last bit from 750mm down to stopcock as comes up...
  11. R

    Mains pipe replacement

    I have been asked to replace a mains pipe from the metre along 20m run to stopcock in kitchen. The metre is about 450mm deep (though 750mm was the min). I will run new 25mm mdpe pipe in 63mm blue ducting to the house. I was going to insulate the last bit from 750mm down to stopcock as comes...
  12. R

    Hard water affecting torbeck.

    I fitted a shower pump a year ago. The extra draw of water from the cold tank was churning up some lime scale at the bottom of the tank this at one point (a few months later) stopped the WC torbeck valve from stopping and filled cistern to overflow. Unluckily wasps had made a nest in the...
  13. R

    Cold water tank sizing??

    I looked at a job reciently and cleint (commercial wearhouse) reports no hot and cold water throught gravity fed taps. Suspected air lock.. I flushed air out with mains pressure. Client says happening for about 3 years on and off, more common (every 3-4 days) in summer. I changed a clogged ball...
  14. R

    One pipe and two pipe system ??

    Have a central heating dilema. Current central heating not working properly. Old Oil boiler with flow and return 15mm and pump on return? Is this a one pipe system? Can't tell as tails go into floor from bottom rads (down stairs) Between the pump and the boiler is tees off the flow and return to...
  15. R

    Copper pipe and electric cable in same conduit?

    I have seen some electric showers with with a condiut trunking running from ceiling to electric shower and the electric cable running in the same conduit. Is this OK. Both are in conduit away from plaster. But is there a building reg that says copper pipe not to touch electric cable.:confused:
  16. R

    6l, 7l or 9 litre cistern? How to tell the differance

    :confused: Is there a way of telling the litre holding size of a cistern. Been changing a few faulty siphons and on replacing the new one, setting it to 6l 7l or 9l. The 6l are ok as modern small, etc. But bit older ones is it 6l or 7l. I know that after a certain date they changed to 7l then to...
  17. R

    Anyone done work through "Home Services Direct Ltd"

    Has anyone done work for Home Service Direct or Home maintenance Direct. Or even used them for services. They seem to a middleman between client and tradesman. Haven't heard of them before and a bit cautious of giving bank details, as their call centre looks like a farm? :confused:
  18. R

    Check valve for shower mixer gravity hot water mi

    I have a shower mixer that was on mains cold (3.5 bar) and gravity hot +/- 0.15 Bar ( a Bungalow). I fitted a Pressure reducing valve to the cold to equal the pressure. Also to comply to water regs a check valve on the cold and hot. But with little gravity pressure on the hot the check valve...
  19. R

    Unvented system ...No hot water...

    I have a unvented system with a combi boiler. Reciently there is no hot water. The central heating works ok. Switched on emmersion heater for hot water. Any suggestions what to check first..??:confused:
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