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  1. S

    ULEZ Zone for the London based Sparkz

    How is this going to affect business?
  2. M

    Electrician Jobs Relpol Relay 8 pin with a zone valve and circulating pump

    I have some problem to hook up a circulating pump with a zone valve and 1 thermostat to control it, can you help me to hook up this correctly.
  3. Dave OCD

    Ariston E-Combi with 2 zone valves.

    I've managed to confuse myself a bit, I have to connect up the above boiler with 2 zone valves. Now the 'external controls' link is low voltage in the boiler and this is connected to the built in timeswitch for heating, I have 2x 2 port valves [upstairs/downstairs heating zones] and Honeywell...
  4. K

    ATEX zone 1 classification

    Hi all , with regards to the above , is it only inside buildings that would be rated as zone 1 ? Ie a vat situated outside in fresh air that holds pure alcohol which fumes are vented to atmosphere , would this come under a zone 1 rating or not ?
  5. markythesparky

    Very strange Zone valve problem

    Hi guys, I have a really odd one for you all. About four years ago we installed a heating systems for a swimming pool using various items but the main part of the heating was a Honeywell zone valve controlling the boiler. The valve was controlled in the usual way via a programmer and stat...
  6. Mikey2017

    Bathroom Extractor Fan (Zone 1) Help Please!

    Hi all, I need to change my extractor fan which is in Zone 1, I have found a extractor fan as below for Zone 1 that does not need a separate transformer, as long as a RCD is present. Will the current RCD's be sufficient? I know the RCD is working, as I connected the wires wrongly when testing...
  7. polo1

    Tate Premier SX 8 zone fire panel

    Hi all, quick questions re the above. Firstly when checking the battery charging voltage, the reading switches between 2V & 28V approx every second - I'm guessing this ain't right, but any thoughts? Second, what would cause one of the Zone lights (top row) to be permanently lit? Thirdly, if the...
  8. E

    Safe Zone and Cable Routing

    Hello, I am adding sockets to a garage conversion. The ceiling is already plastered, and above the ceiling is a bedroom. Between the ceiling and the bedroom, the void is stuffed full of insulation. Looking to avoid cutting large holes in the ceiling or above floor to remove the insulation and...
  9. Wilko

    Poolside lighting within Zone 1

    Hi All, customer wants some new poolside lighting, and the edge of the pool is 1.8m from the side fence so it's within Zone 1. Didn't seem to bother the last Spark, but if I read it correctly 702.55.4 says Class II 230V lights if they are 2m up and RCD'd (not likely to be wanted due to light...
  10. D

    IP20 in Bathroom Zone 1

    I'm hoping for a bit of advice from the experts here. Our electrician has fitted an IP20 rated downlight above the shower in our new bathroom. He says this is fine as the GU10 LED bulb is a sealed unit and therefore "won't explode." I'm not convinced that it's entirely safe as I would expect...
  11. Soulsurfer

    Zone 1 dual fuel towel rail ?

    So I have a client who requested a towel rail fitted at the end of the bath on wall, opposite end from shower (fixed) and taps and so is right bang in zone 1. Never fitted any before unless in zone 2 at least, OSG seems to okay it but through flex outlet, but I'm thinking it would be really...
  12. 1

    Twinflex Fire Alarm Zone Fault Comes And Goes

    Hi all, I am not an electrician, I am a tenant in a building where a Twinflex fire alarm system is installed. I have seen a thread on the subject in this forum so I thought I would ask if you have any thoughts about the following matter. For more than two weeks now we have been experiencing a...
  13. 123

    Heating: Worcester Bosch Combi Greenstar With Zone Valves Wiring Diagram

    123 submitted a new resource: Heating: Worcester Bosch Combi Greenstar with zone valves Wiring Diagram - Heating: Worcester Bosch Combi Greenstar with zone valves Wiring Diagram Read more about this resource...
  14. A

    Rafiki Twinflex 8 Zone Control Panel - Fault

    Hi, We have a Rafiki Twinflex 8 Zone Control Panel in our residential building which is showing an orange fault light and beeping continuously. Can anyone recommend what the issue might be? See attached a photo of the control panel. Thanks.
  15. J

    CTEC intermitant zone fault

    Hello can any body help I have been pulling my hair out for 2 days in a carehome we have a ctec conventional panel that is coming up zone 6 fault the problem is its in fault sometimes for 2 seconds then clears sometimes 5 to 10 mins which is not giving me enough time to properly investigate. I...
  16. J

    240v Fan in zone 1

    Hi folks new to this but have a question . What are the circumstances that have to be met to fit a 240v fan in zone 1 . I have read that it's acceptable if the fan is ipx4 rated and is on a rcd. I've read that if the manufacturer states the fan is suitable for zone 1 and rcd protected then it is...
  17. K

    Zone 1 under bath tub

    Hi all. Just a quick one: are you allowed to run a cable (twin and earth) through the space under a bath tub, which still constitutes zone 1?
  18. D

    Flex outlet plate in Zone 2

    I have been searching section 701 but still cant work out the answer to this one.. Can you install a flex outlet plate in zone 2? Bearing in mind it is not switchgear nor current using equipment.. But is also not IPX4 rated. 701.512.2 mentions "installed electrical equipment" shall at...
  19. J

    s plan with underfloor without zone valve.

    Evening all, I'm in the midst of connecting above system, the plumber is adamant it will work without a 2 port but I'm struggling to make sense of it. I've got a system boiler with s plan and a single zone UFH manifold. Could anyone please give me some pointers re wiring without the back feed...
  20. P

    Wirsbo PPI 1050 Multi Zone control centre

    I have been repairing a heating system that comprises of a 2 Wirsbo PPI 1050 multti zone control centre , 1 for ground floor and 1 for 1st floor, for the under floor heating. Although I have brought it back in to operation the 2 control centres appear to be operating slightly differently. The...

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