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timer

Timer is a specialized type of clock used for measuring specific time intervals.
Timers can be categorized into two main types.
A timer that counts upwards from zero for measuring elapsed time is often called a stopwatch, while a device which counts down from a specified time interval is more usually called a timer. A simple example of this type is an hourglass. Working method timers have two main groups: hardware and software timers.
Most timers give an indication that the time interval that had been set has expired.
Time switches, timing mechanisms that activate a switch, are sometimes also called "timers."

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  1. R

    Timer for boiler incremental on/off

    Hi, hope someone can help, I’ve just had a new boiler fitted an Alpha E-Tec plus 33 and the controller it was installed with isn’t “Right” for me, it’s a neomitis wireless thing that only allows me to turn the heating on and off 3 times a day! Now I don’t want my house being thermostaticly...
  2. J

    advice on timer control for Unvented Cylinder

    Would need some advice if I could replace Newlec Economy to OP Ecosave Timer control for “Unvented Cylinder Megaflo Water heater” As the current Newlec Economy timer control limits to heat up full tank of water during midnight only( one time a day. ) OP Ecosave Timer control allows to set...
    • Jan2238
    • Thread
    • advice america control cylinder timer unvented unvented cylinder usa
    • Replies: 7
    • Forum: USA
  3. J

    Plumber or electrician to replace new timer switch Unvented cylinder

    Replace the current E7 Newlec Economy control to a mechanical 24 hour timer switch for unvented cylinder water heater, may I know if I ask plumber or electrician to do this job. Because Newlec Economy controller can heat up water once a day in midnight .I would require constant hot water in...
    • Jan2238
    • Thread
    • america cylinder electrician new plumber replace switch timer unvented unvented cylinder usa
    • Replies: 3
    • Forum: USA
  4. C

    Heatmiser Neostat v2 not firing up boiler

    Hello, I replaced a Heatmiser Neostat V1 (stopped working) with a Neostat V2 for my Vaillant ecoTec plus 637 boiler, using it as a timer to turn the central heating on. It was a direct replacement of the ‘front’ unit without any change to the existing back plate or wiring (I am neither a...
    • CB001
    • Thread
    • boiler central heating system firing heatmiser neostatv2 not firing timer
    • Replies: 2
    • Forum: Central Heating Forum
  5. J

    Zoned heating with Terrier i30s and timer. Can it work?

    Hi everyone, I 'think' I've found a cheap solution to fulfilling all of my family's heat automation needs using Terrier i30 TRVs (eTRVs that have a timer, but no way of calling the boiler for heat). However, it seems too good to be true. Therefore, I wondered if I could run it by some of you...
    • jnthn
    • Thread
    • central heating system forum heating plumbing timer work zone zoned
    • Replies: 1
    • Forum: Plumbing Zone
  6. R

    honeywell ST9400c controller Timer query

    Hi I recently got this programmer installed during my new boiler (Worchester) installation. I am still getting use to it, however my query is I have very odd programmed times currently set. My 3rd timer slot is set 12pm-2.50am, yes we have our boiler heat the radiators while we go to bed and...
  7. J

    Trianco TRO Mk3 Not Firing up Off Timer When Colder Weather

    Hello everyone, I am looking for some help with this boiler. This problem has only just started in the last few weeks and only happens when it has been a long time (5/6 hours) between timer on settings and when it has been cold. Common time is at 06.00 when timer is set to come on for the...
  8. gavdownie

    How to change the timer?

    Anyone know how I change the times on these?
    • gavdownie
    • Thread
    • america change timer usa
    • Replies: 4
    • Forum: USA
  9. J

    Timer is off but boiler is still operating!!

    Obviously somewhere is wrong here, but where is it please? My timer is off one hour already, but the boiler is till operating, cylinder is operating, the central pump is still burning hot, the gas meter is still running numbers!!! Anyone please help why this is? Yesterday I post a thread that...
    • Jurgenjay
    • Thread
    • america boiler still timer usa
    • Replies: 40
    • Forum: USA
  10. A

    water timer required

    My central heating was installed in 1978. Over the years only two boilers have been used; installed a Kinetico water softener in mid 80s. However when installed the upstairs radiators were run off the hot water system. This is no problem, till now, as we have never used the rad in our bedroom...
  11. josh381991

    Cannot get my heating timer to work!

    Hello, Newbie here, appreciate the help in advance. Moved into a new property last year and kind of forgot about the problem over the summer and with life. Now its getting chilly again the problem has re surfaced so hoping to get some advice. I have a combi boiler with a Drayton Lifestyle...
  12. M

    Ideal combi 30 mechanical timer 215390. Clock does not work.

    Fitted this timer. Simply plugs in. Everthing works on it except that the actual clock does not work .
  13. H

    Advice on a JG UH3 Wiring Zone and how to stop the UF pump running when the HW timer kicks in

    Hi all. First post. I have a JG UH3 wiring zone and I've noticed that the UFH pump always comes on when the HW 'circuit/thermo' is triggered. Hence - rather than just heat the water in the tank - I also heat the UF circuits. I can't see a way to avoid this - it may be the way the circuits...
    • hantsgaz
    • Thread
    • advice forum plumbing pump running timer wiring zone
    • Replies: 27
    • Forum: Plumbing Zone
  14. S

    Acqua Tempus, shower timer with shut off for teens

    Hi to all member I want to post this product I bought some weeks ago in a website in GB, it is called Acqua Tempus apparently it is very simple but it is not: it is a shower timer with shut off; it is programmable and has a lithium battery that gets charged with the passage of water, son I do...
  15. plumb_know

    Delay timer for heating pump

    HI everyone, installed new ideal heat only boiler in replacement for dead potterton suprima, flushed system when boiler fitted, s plan system with bypass in working order, all works ok until circuits shut off then boiler over heats. pump overrun not provided on ideal logic and pump in airing...
  16. J

    Central heating not working

    Hello My boiler seems to work fine as I get hot water no problem. The problem is that my central heating isn't coming on. I have a Drayton SM1 control. The switch doesn’t work and the light won’t come on. It still makes the clock sound but the heating won’t come on with the timer either. I...
    • Jamkhop
    • Thread
    • america boiler central central heating central heating system control heating not working plumbing timer usa working
    • Replies: 1
    • Forum: USA
  17. C

    Fitting a Timeguard thermostat to a boiler with a timer - HELP!

    Hi, apologies if this is a stupid question but I'm a little lost at the moment. Complete amateur when it comes to plumbing (although I have replaced radiators and valves etc.), but we recently had our bathroom refurbed. Our boiler is in the bathroom cupboard which, pre-work, had a British Gas...
  18. D

    Economy 7 Immersion Heater Timer

    Hi All, I have a very strange problem to solve. We are on economy 7 metering with 2 CU, 1 for appliances/lights and 1 for our heaters and the immersion heater. The immersion heater has its own 16amp fuse on the CU. The problem we have is the immersion heater switches on about 3pm and goes off...
    • drurydd1
    • Thread
    • america heater immersion immersion heater timer usa
    • Replies: 5
    • Forum: USA
  19. P

    Honeywell st9100 timer problems

    Have Honeywell ST9100a I’ve had to replace the relay on a number of occasions, can anyone point me to a copy of the schematic circuit diagram I can download. Have been told it’s a capacitor that’s at fault but before I change that want to check the circuit. Any help would be appreciated
    • Plipplop
    • Thread
    • america honeywell problems timer usa
    • Replies: 7
    • Forum: USA
  20. P

    Can anyone help with a worcester mt10 timer

    The clock function has stopped working. Heating and water are working fine but we can’t use the timer function as the clock has stopped turning. I’ve tried resetting, and switching between ‘on’, ‘off’ and timer at various stages. Does it have a separate battery or anything similar? Thanks
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