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control

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  1. J

    Pump control to thermostat wiring

    Hi Installing single zone ufl with Grundfos pump/mixing valve and heatmiser thermostat - not crystal clear from the diagrams how the control connection to LR/LS should be wired (i.e. red on the pump control diagram) Any advice much appreciated!
  2. G

    How do I control my immersion heater?

    I have just bought a flat and the water is heated via an old UV Gold immersion heater system. A plumber friend of mine suggested I look for a timer to control it but I haven’t been able to find anything. I have no idea how to control the hot water! Does anyone have any suggestions? Pics...
  3. P

    House with two boilers - Smart heating control possible?

    Hi all - my prospective house I am buyig has been split effectively into two parts with Boiler 1 provided Heat/Water to the first few floors and Boiler 2 providing Heat/Water to the top floors. So two separate Primary and Secondary Circuits. Is there a Smart system that would enable unified...
    • PhilRey
    • Thread
    • boilers control heating house
    • Replies: 1
    • Forum: Boilers
  4. K

    Vaillant EcoFit Pure 835 Temperature Panel Control

    Hello all, Just moved into a house with a Vaillant EcoFit Pure 835 boiler that is 3-4 years old but the previous owner did not bother to register with Vaillant, so Vaillant says its not under warranty. I've noticed that despite setting the CH to 60 degrees on the boiler's control panel, the...
  5. Bookalon

    hot water cylinder control valve

    Hi, I have an oil burner which is controlled via Tado to heat my home. My hot water cylinder is heated with water from the burner and also has a dumb immersion. I don’t use the immersion at all And would like to replace it. The burner heats the water in my hot water cylinder with a TRV valve...
  6. Nickyd

    Boiler remote control

    Hi. I have a 15 year old Cosmogas Boiler in our house in Italy. It does 3 circuits: Hot water, Underfloor heating and normal radiator heating. I want to install a wifi controller to operate it remotely but not sure if this is possible. I currently have a Honeywell CR04 controller next to the...
    • Nickyd
    • Thread
    • boiler control
    • Replies: 11
    • Forum: Boilers
  7. A

    Where To Buy SIME Brava Remote Control Home

    Hi, I looking for a 'SIME Brava Remote Control Home' from an online store. If you know of such a place, please share the website with me. Thanks in advance, Ayman
  8. E

    No programmer to control radiators

    I recently moved into a new property which has a gas boiler and: (1) A hot water tank - this is controlled by a Hive timer programmer (all good); (2) Wet underfloor system on ground floor - this is controlled by Heatmiser thermostats (all good); and (3) Radiators on first floor and towel...
  9. C

    Old(ish) Grundfos proportional pressure control circulator

    I'm trying to set up a Honeywell DU145 ABV with an ALPHA 15-60 130 (Model number 59526443) and work out the speed setting. The pump has one variable dial (no C1/2/3 ect). Grundfos support have no info on the pump as its from circa 2001, so unable to help. Its running 5 rads in a small 2 bed...
  10. 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...
  11. 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...
  12. M

    Heating control prob,em

    Setting 2 won’t override and still comes on when in the OFF position
  13. 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...
  14. 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...
  15. 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...
  16. A

    Vaillant Ecotec Plus Combi & UFH Control - V Smart Possible?

    Hi All Looking at having controls replaced / upgraded for a Vaillant Ecotect plus combi boiler. Currently have x2 zone valves on the heating (x1 for rads via a Honeywell wireless stat, and x1 for UFH circuits via Heatmiser stats - both wired to a Heatmiser wiring centre) I'm interested in...
  17. 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...
  18. 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...
  19. 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
  20. 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...
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