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control

Recent contents Top users
  1. cr0ft

    Control of AHU Pre-Heat Coil

    Hi all, I've got 2x AHUs where I work with pre-heat coils after the filter on the supply ducting. These are heated using the boiler CT circuit. On both of these AHUs the method of control of heat to the coil is a 3 port mixing/diverting valve with the central port blanked off. There doesn't...
    • cr0ft
    • Thread
    • control
    • Replies: 9
    • Forum: Boilers
  2. L

    Vaillant Boiler Over Run control

    Hello, I've just had a regular Ideal boiler (15 yrs ols) removed and replaced with a Vialliant 430 boiler with Nest control. My Boiler is located in my garage but the Nest is in the emersion cupboard. The pump is located in the emersion cupboard. The boiler requires a separate feed from the...
  3. P

    Ufh problems temp control and radiators temp

    Hi guys Our recently installed UFH system is causing us trouble and we are struggling to get the fitter to help, problem one is we have to slowly build up the heat as the new floor is tiled but the only way to do this is by turning the boiler heating controls down as low as it goes, 30 degrees...
  4. S

    Dripping shower thermostatic control

    Hi Guys, This is my first post, hope you will help me with my questions. At home I have a megaflow system feeding a downstairs shower and upstairs bathroom. Two issues with the shower control 1) water too hot, rotating the thermostat only increases the temperature :( looks like it has not been...
  5. H

    Caleffi Inlet Control Valve Hissing

    Hi Forum, There is a Caleffi Inlet Control Valve (1 piece) connected to the hot water cyclinder and the cold feed, that is periodically (every 5 mins) hissing air, out of the grey catridge, when the hot water is heating. - I've search around for an explanation without luck. I don't...
  6. B

    Compatible gas control valve for obsolete Honeywell

    After the success of yesterday's posting, and the constructive support I received I wonder if I could please test the skills of the wise again, as today I've a problem of my own to resolve. I called out a gas engineer this morning because our boiler, an elderly Ideal Concord CX 240 P, has...
  7. M

    salus it 500 BM, No hot water control

    I have recently had a External Worcester Greenstar Heatslave II 18/25 External Combination Boiler Oil ErP installed which is controlled by a salus it 500BM I understand at the time, there had been a mix up and the incorrect Salus was installed and it should have been the salus it 500 and i only...
  8. D

    Replacing Old Crane CH Control With Digital Control?

    Hi, Having replaced all the radiators in current system I would like to update the control (as seen in image) with a modern digital one. Would this be a simple job and what type of control would I need? I'm not a complete novice when it comes to electrics but then I'm no electrician either. All...
  9. ian.

    Vaillant Boiler Control

    Hi, I have a 2002 installed Vaillant Thermocompact 624 system boiler, 'S' plan with an unvented hot water cylinder, this is currently controlled via Hive. I have a boiler fund in preperation for when my exiting boiler dies and I'm just exploring my control option wish list which I hope you can...
    • ian.
    • Thread
    • boiler control vaillant
    • Replies: 6
    • Forum: Boilers
  10. Inverness

    Riello control box blinking red amber green

    worcester heatslave exterior boiler. 3 year old. Oil level in tank is low about 20mm above the Tank outlet. The tiger loop goes crazy with bubbles when i press the lockout button. I bleed the oil pump but nothing, even tried oil gauge but nothing? Checked oil filters are fine. I've cracked...
  11. jaydebruyne

    New building control cert for boiler move

    hey all, I’ve moved a boiler about 6 feet to the left on the same wall, is a new building control very required? If so how do I go about it?
  12. D

    Riello 530 control box circuit diagram.

    Has anyone ever come across a circuit diagram for the internals of a Riello control box?
  13. ian.

    Boiler control with weather optimiser

    I have a Valliant Thermocompact which is getting on a bit now and I'm looking at getting an ecoTec plus 624 as a replacement. My current set up is a system boiler with unvented hot water and 'S' plan control via Hive and would like better control i.e independent temperture control of the CH &...
    • ian.
    • Thread
    • boiler control
    • Replies: 4
    • Forum: Boilers
  14. S

    Heatmiser 4 zone system and underfloor heating control wanted

    hi. Looking for a Heatmiser Neoair thermostat 4 of them and UH8-RF fitted to exsiting heating system. Current wiring centre is a JGWWC and thermostats are managed by a salus RT500RF. Need finished system to be controlled by iOS devices. Current boiler is glow worm Ultracom. Please message me...
  15. P

    Worcester Boch Greenstar Ri 24kw control upgrade

    Hi all, checking on the WB website, it appears to suggest that the Greenstar Ri is not suitable for an upgrade of controls to intelligent/web based..... or is it simply that there are no WB intelligent/web based controls available? In other words, can Hive/Nest etc be used with this boiler -...
  16. L

    No Control Over Central Heating

    Sat here watching telly and the missus says its ruddy hot in here, so I check the room stat which is making all the right noises, its clicking off but the boiler is still belting it out. Next I turn off the heating and hot water at the programmer but the boiler is still active. Finally I turn...
  17. P

    UFH TMV out of control

    I have a problem with a new installed UFH system as follows. One 46kW oil boiler heating two number 12 port manifolds plus DHW and rads and I am having difficulty controlling the TMV on both manifolds. Having set both manifold mixing valves to around 45* the TMVs don't hold that temp.they both...
  18. B

    Will this shower control work on my shower?

    Have seen this for sale AXOR hansgrohe Thermostatic Value Shower Control 3 Settings Silver Metal How do I know if this will work on my shower? We have a very outdated shower from the 80s, with a simple lever mechanism that turns shower water on and adjusts temperature. Will this one listed...
  19. P

    Vaillant EcoTEC control panel

    On the front control panel, below the boiler rest button, is a small plastic cover with what appears to be a comms socket behind. This is missing on my friends boiler and they have been told not to use the it. Is this not just a cover or does it really affect the boiler. Thanks in advance
  20. J

    suitable smart control for my upgraded system

    I have a Halstead condensing boiler in the kitchen supplying HW and heating. There is only one heating zone. I have a heatmeiser thermostat/ controller in the living room. Ive never been able to get a good balance of heating over the whole house. I am now changing all my rads for column types...
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