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control

  1. E

    Grundfos MLE 132E speed control

    We have a Grundfos for a domestic water booster application. Everything is set up for constant pressure, discharge pressure sensing and all appears okay, except we cant get the motor to run in "auto". We can run in manual at a constant speed, okay. But we try and go to control, the pump will...
  2. J

    Boiler Return Temperature Control

    I have rarely if ever seen mention of this form of control being used, which Valliant, for one, have available for years, is there a reason for this?
  3. D

    UFH Heating Control Dilemma

    Hi, I am appealing for some advice and direction on replacing the heating control system in my house. Ill try to describe as best I can. Looking for a bit of info as not having much luck with trades. Oil Boiler operated by a Honeywell Smartfit Programmer. Not sure if its Y or S but controls...
  4. J

    Grohe Smart Control Shower - how hard you need to press the buttons?

    Hi - thinking of installing a Grohe Smart Shower for my elderly mother who has arthritis and trouble turning taps - wondering if the button controls are easy to press, or if they require a big push to turn the water on/off...I phoned Grohe and they said they are 'soft control' which sounds...
  5. G

    Bronze record. pump control - PIR and timer?

    Need to spec a bronze. pump for a secondary return circuit. Furthest point approx 35 metres in 22mm. Any recommends for which pump size and type? This circuit serves an occasional-use bathroom which may not be used for a week at a time. Since it's occasional use I would like to be able to...
  6. taffyinhighlands

    Control logic with 2 rad circuits, ufh, dhw and towel rails circuits

    I have an oil heated circuit that now appears to be misbehaving and the main circulation pump running across the bypass wgen all the logic controllers are off. I think this is a new phenomena but cant be 100% sure. The ufh isnt on a logic controller, and its own booster pump is triggered by the...
  7. A

    Control box 569 Riello Thermital Burner fails to fire

    Why does the Control Box 569 for riello thermital supereffe 25 not fire?
  8. D

    titan processor unit not talking to the control unit

    I have just replaced the Titan digital mixer processor unit which failed. like for like, but when i try to turn on the shower the control unit say connection error. i have tryed turning the power off and on again hoping for a reset. nothing. it appears the processor will not pair with the...
  9. J

    Shunt pump control - Viessman boiler

    Having Viessman Vitodens 200-w 32kw installed. I’m expecting to then install low loss header and secondary pump for whole house. (Size / flow rate justifies this). I’m looking for 1) confirmation that the secondary pump will be controlled via (something like) their EM-M1 controller...
  10. R

    Leak - water getting into shower control unit

    Hi We have a Ideal Standard Connect Easybox Slim Built-in Shower - When using the shower, water is getting through the control faceplate and causing a leak. We were advised by one company that there was probably a problem with seals inside, and advised that they needed to buy a new unit as they...
  11. 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...
  12. garry71

    Rifeng FN5C flow control valve

    I'm looking for flow control valves to fit 2010 Rifeng FN5C manifold (fine-thread?). Is there an alternative out there?
  13. J

    Honeywell Evohome HR92 valve control stopped working

    I have a Honeywell Evohome system that is in general working well but one of the HR92 radiator valves has suddenly stopped working just before Christmas The valve appears to be communicating with the controller but the valve was stuck open. It appears to be communicating with the controller but...
  14. F

    Aqualisa Colt- on/off control come off & can’t turn off.. help please

    I have an Aqualisa Colt shower, the on off end end part has come off and the shower will not turn off… water is gushing out and the only way to stop is to turn off the water for the whole house… really appreciate any DIY fixes please, so I can use the water, heating (combi boiler) until plumbers...
  15. J

    Glowworm hot water express 80 Any help on this control appreciated

    Hi there, I am trying to take care of my mum's house as she has gone into a care home, and I have to keep the heating going through the winter, her Central heating control is as old as the boiler, approx 30 years. And there is a dial on it 1 to 5, I have no idea what it does, any help would be...
  16. H

    wifi connected TRV's without the need for a control hub....

    https://shop.shelly.cloud/shelly-trv-wifi-smart-home-automation?utm_source=sendinblue&utm_campaign=Copy_of_New_products&utm_
  17. A

    How to disconnect Franke sensor faucet from control box

    I have an issue with the faucet (Franke Atlas Neo Sensor) and it will require it to be sent back to the manufacturer. However I have an issue with disconnecting the hoses from the control box (Franke control box). The hoses plug into the control box without screwing, they're simply pressed into...
  18. B

    Vaillant ecoTec plus 637 System boiler control options

    Vaillant ecoTec plus 637 and gledhill 250 indirect tank control options Hi, I am in the process of renovating an old farm house. I have been advised to have installed the Vaillant ecoTec plus 637 system boiler with a gledhill 250l indirect tank. I met with the heating engineers yesterday as...
  19. B

    Vaillant ecoTec plus 637 sensiocomfort control setup

    Vaillant ecoTec plus 637 and gledhill 250 indirect tank control options Hi, I am in the process of renovating an old farm house. I have been advised to have installed the Vaillant ecoTec plus 637 system boiler with a gledhill 250l indirect tank. I met with the heating engineers yesterday as...
  20. T

    Setting the oil control valve on an Aga

    I recently moved to a house with an oil fired Aga. After it sooted up, I adjusted the settings on the BM-30 type oil control valve but am struggling to get it settled again. The Aga is overheating even when the low fire is set at the lowest setting. I couldn't find a clear set of instructions...

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