valve

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  1. Bobnic

    Mira Platinum dual valve remote control pairing issue

    I have 2 Mira dual valve vision showers. The remote control.for the Vision model has been discontinued, so I bought a Mira Platinum dual controller, as they are compatible. The issue is that as I have 2 showers, I have somehow managed to pair the new remote control with the wrong shower! So I...
  2. P

    Why is my new high temp zone valve addition shutting off the low temp pump?

    For the past few years, I have used a hydronic system (outdoor wood boiler) with both high and low temp working simultaneously. The low temp system is controlled by TEKMAR mixing control #356 variable speed. I recently added 2 thermostats and 2 zone valves (Honeywell 8043F) to the high temp...
  3. R

    Faulty Programmer /Diverter valve head/Wiring

    I have a fully pumped Y plan heating system using a Potterton EP2 programmer. Drayton MA1 Diverter valve. I have just replaced the Actuator head as the heating was not coming on unless I had the hot water switched on as well, I then shut down the tank thermostat heating stayed on. When the...
  4. T

    Electrically operated cooking gas valve?

    Hi, We are designing and building cooking gas bottles with electronics controlled valves. These are for kids camping chalets. Its purely a safety feature because its kids. As you can tell, there is no big market for this product, its just to get these kids out camping. System description: So...
  5. G

    Does a Digital Shower Mixer Valve require an RCD ?

    Im considering installing a Digital Shower (not pumped, just controlled) during my Bathroom Refit. Im looking for the best option for powering the valve. The Manufacturer recommends runnig a 30mA RCD circuit, however as my Sockets are already protected with an RCD can I connect the valve into a...
  6. S

    Vw electrical vacuum control valve n75 - Ohm values

    What is a correct Ohms value for n75 valve on vw 1.9 TDI, 96kw engine? I have like 16 Ohms but if I am not misunderstood on spec it says more than that. Does it mean my valve has malfunction? I checked almost everything else but my car still has delayed boost.
  7. J

    By Pass valve

    Hi all in the forum, I have a 6 radiator Y plan system with pump over run. There are 5 TRV's on the rads and the living room radiator is open at all times. I have now put Hive thermostatic rad valves on all the radiators with TRV's. It works ok, but there is an annoyance because if for example...
  8. O

    Fuse size for 12v hydraulic diverter valve

    Hi I’m about to wire up a hydraulic diverter valve to add a 3rd function in my 60hp tractor front end loader. I will draw power from my ignition but I’m wondering what size fuse I need to run?
  9. D

    2 port valve no hot water nest thermostat

    I have a y plan system with an additional two port valve because i the hot water water tank to unvented cyclinder, installed a nest thermostat but with the two port valve connected hot water doesnt work, when removed and it then works. How can i include the two port valve the system amd...
  10. J

    110v solinoid valve

    Got a question regarding a solinoid. I measured between the earth pin and the body of the solinoid valve in question with my multimeter to find a high resistance reading I again tested another valve by the same manufacturer and again it had a high reading why would this be? This is the valve...
  11. Mark Wright

    Switch 2 port Valve with Light Switch...........for project only

    This isn't for central heating really this is for a project Can I switch a 2 port valve like bellow .I.e is the "Switch line" 230v? MCB >>> Junction box >> Line, Neutral, Earth >>> 2 port valve ........................................>> Line split to Light Switch >>> Connected to SL/Orange of 2...
  12. The apprentice

    Gas shut of valve

    Hi there i have been doing a job for the past month re-wire of a pub with my journeyman this pub also serves food to the public now the kitchen guys came in who had there own spark to connect in some of the 3 phase stuff we installed a zone on the fire alarm panel for a gas shut of solenoid but...
  13. S

    No heating , changed Solenoid valve

    Hey , new to forum so not sure how it all works but here goes Last week the heating wouldn't come on when called for from Programmer, went into storage and opened the solenoid valve manually and the heating fired up so i assumed the motor was done, ordered a new one. It came yesterday and i...
  14. G

    Circuit for a gas solinoid valve

    How all, Doing a commercial kitchen with fans above the gas cookers , there is a solinoid gas value that opens the gas when the fans kick in, does this have to be wired on a dedicated circuit , there is a socket right next to it . Board is quite far away . Cheers Grand
  15. R

    Wiring a 2 port valve on a hive system

    Good afternoon Im in need of some assistance on a job. A new central heating system is being installed (previously storage heating) and the customer has purchased a hive multizone kit. She wants to control her heating up stairs and downstairs seperate so would need zones valves installed. I...
  16. S

    Boiler & 2 port valve problem

    Hi, I have just had a problem last night with my h/w & central heating system, I have found out the boiler has been stopping and starting without the c/h 2 port valve opening, I have tested the circuit and discovered it is the micro switch in the valve that must have stuck in the closed position...
  17. littlespark

    Possible fault with motorized valve

    I've been phoned by a customer who says his central heating pump is running almost constantly, whether his heating is on or not. (oil fired Worcester system boiler) Its not my usual area of expertise, but im thinking its possibly the motorised valve sticking and not releasing the switch that...
  18. J

    Power Consumption of Solenoid Valve

    I have a 24VAC 50-60Hz solenoid valve that has a power consumption of 125VA (Pull in) and 12VA (Hold in). This is connected to the output of a 230v to 24VAC transformer, however the secondary side of the transformer has two 75VA rated power outputs and the solenoid valve is only connected in...
  19. K

    Shower digital mixer valve compatibility with regular fittings

    I have a pretty basic question on suitability of a shower digital mixer valve. Checked with the the manufacturer Mira, who insisted that it should only be used with their shower heads, etc. Asked why, looked around, etc but can't seem to find a clear answer why. Basically I have read the manual...
  20. A

    3 way valve Advice needed please

    Hi New to this forum. A DIYer but not one that messes about with electrics but this question is just for interest. We have just moved to a property and I am trying to sort out the heating system. 1 Downstairs is a hot air system which is totally outdated and fails to heat the upstairs 2...

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