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control

  1. R

    control underfloor heating pump wirelessly?

    hello newbie diy-er here looking for some guidance please :) gas boiler (downstairs) was connected to underfloor heating pump and valve (attic, along with hot water storage tank), coming on with the hot water the wiring between the two has failed - cable was exposed to water leak - so now I...
  2. H

    Replacing a motorized gas control valve with manual

    Replacing a remote gas control valve with its manual equivalent. My daughter has a gas coal effect fire. First, I know they're crap, she'll just use it for the occasional time that friends come round. OK, so it has a remote (broken), a remote receiver (broken) and a motorised gas control...
  3. M

    Heating control prob,em

    Setting 2 won’t override and still comes on when in the OFF position
  4. B

    Bristan mixer bar shower leaking from the temperature control

    I installed a Bristan mixer bar shower about two and-a-half-years ago. I have recently noticed that immediately after the shower has been used, it drips from where temperature control knob turns. I attach a photo. The temperature control is on the right-hand side. The drips last for about...
  5. T

    Replacing the control system... it's a real mess!

    Hi all, I've previously been helped on here by kind people so I'm tackling my next challenge. We have a GSHP (installed by previous owners) that supplies a buffer tank. That all runs OK. The heating pump and manifold actuators are 'controlled' by three OJ Electronics WLM3s (one master and two...
  6. D

    concord wrs 55. control unit

    Morning Everyone. I have an Ideal concord WRS 55. i know ! 40 something yrs old. The Honeywell stat and control board have mostly failed. no thermostat temp control or daily on/off timer only works on the 1 hr timer. no model No on either the stat unit or control board. can anyone tell me what...
  7. T

    Is my circulation pump failing or my boiler control?

    I have a Viessmann Vitogas 100, installed about 17 years ago by a previous homeowner. It also is the boiler for hot water, so it runs all summer in hot water only mode. I’ve turned the heating component back on, but it’s not working properly. It would appear the circulation pump stops working...
  8. B

    Mixed UFH and Radiators: Setting Return Flow Temperature control ?

    I have a system with 14 UFH Circuits on the ground floor and 21 Radiators upstairs. We primarily use the UFH plus a few Bathroom rads and then a Rads in very cold weather. I’ve always run the system with the Boiler operating based on - Target Flow Temp setting, but am wondering if anybody has...
  9. N

    Replace control unit with Nest

    Hello, I have a LOGIC a combo Esp1 35 boiler and CM707 control unit. I want to install Nest - however from looking online the two inputs are 240v from the boiler (cables are thick). Were it not for the voltage it looks a simple job. How can I do this myself ? Thanks
  10. philw67

    Atag One control when on holiday

    Can someone help please? Customer support from ATAG is non existent as the house we have bought had this installed a few years ago and despite sending them a picture of the install document they are not helping which is impossibly frustrating. Two questions. 1) this is a pic of the info after a...
  11. 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...
  12. 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?
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. A

    Control box 569 Riello Thermital Burner fails to fire

    Why does the Control Box 569 for riello thermital supereffe 25 not fire?
  18. 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...
  19. 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...
  20. 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...

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