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Hi I have a 600 Meter square new build commercial job to install UH . I am mainly a domestic plumber and this job is quite big for me.
And i was wondering if i could get some ideas on how to price the labour. looking around 2 weeks to complete the job with 2 men and a apprentice. any help would...
My daughter has just had a new boiler, her system is radiators to upper floors and underfloor to all of ground floor. Despite the valve serving the underfloor being turned up to a high temperature and the pipe leading to the pump being very hot the flow and return pipes on the manifold are only...
We’ve had a UFH system installed as part of our home renovation which is run alongside our existing radiators. Some of it is in rooms with LVT flooring which means we’ve got to be careful with water temperature (floor temp limits are set, but can easily overshoot if water is too hot).
Our...
Hi, I am trying to see if anyone recognises the brand of this underfloor heating manifold? I think it's about 22 years old. I'm trying to get more details to see if I can change the faulty actuator. Any suggestions welcome. Many thanks, Mark
I'm attending a wet underfloor heating system, it's an old one ..No flow meters, just adjustable valves on the returns with conventional actuators.
Problem is , one loop (far right in photo) isn't heating the floor (timber suspended) . I've bled the loop via a hosepipe, shut off all the other...
Hello. I am here for some advice please.
We have a water underfloor heating system in our house and have recently had some issues with one of the zones seeming to overheat with the heat still being sent despite the thermostat not sending demand or even being on an all. These are all new...
- Question
Hi All,
We're been living in a new build property for the past 2 years without any obvious heating issues. We've an underfloor heating system that's split across 4 rooms, and is driven by a Daikin ASHP.
I've occasionally had to take the actuators off in order to release stuck pins after...
- Question
Hello
Underfloor heating installed in 2019 - no probs at all. Suddenly stopped working yesterday.
Thermostat is starting the pump, and lights come on. Pipe is very hot at point 1 - and cold at point 2
I have also noticed a leak at point 3
My theory is the motorised valve has broken - and...
Hi all! So yes, Richter level 7 earthquake at least. I need to plan an underfloor heating for a 4x4 expedition/overlanding off-road vehicle, and it has to be able to withstand hundreds of miles of Australian corrugated roads and many thousands more of very bumpy roads of all sorts. A shaky floor...
Hi. Really strange one. Our underfloor works lovely. But once it clicks off, it stays off, resolutely. This can be either from the zone thermostat or, strangely, after we've showered using water for a megaflow tank. It's speedfit manifold but I think problem might be with JG wiring...
Downstairs I had a 12 port Hetta underfloor system installed by a plumber. Upstairs I installed an 8 port Hetta system myself using the existing pipework which had an old system on. Both systems are now fully Hetta with exactly the same components on (wiring centre, manifold, actuators...
Hi. Hoping for some advice. Yesterday I did have an authorised tech round whom fitted a new control board and electrode/cable and my DUO TEC Compact+ 24 GA came back to life but things are not going as expected and unfortunately I am in Lithuania full time since lockdown and do not speak...
I wonder if anyone can help me. My house has under floor heating but after having a new boiler fitted it doesn't seem to working as it should do. I wanted to get the system balanced but some of the flow meters are stuck and not all of the actuator/flow valves seem to be moving as they should. I...
Heating System
Have 2 houses where identical Heating systems installed (self & neighbour)
In Dec both Baxi boilers were replaced with Viessmann Vittodens 30W due to ageing reliability issue.
System is as per drawing
Hot Water Draw off
Thermal Store operates by the process that as DHW is drawn...
Apologies if its already been covered. I've been asked to quote on a heat only with a solar compatible unvented, the existing system is 10mm microbore gravity fed to rads. I'm confident of the conversion and have my gas safe and G3, I've also been been asked to provide an outlet for, and install...
Two loop UFH system heating 24M2 with lots of glass.
Loop lenghts 90M each X 16MM OD piping
UFH output 9.52kw.
flow/return 55C/34C, dT 21C
fowrates, 3.0LPM & 3.5LPM = 6.5LPM total
Boiler Vaillant Ecotec plus 438.
flow/return 65C/59C due to high recirc rate required to get the boiler away at...
Do people with this type of mixed flow temperature control have any problems with achieving the required manifold flow temperature?
The one below I think is similar to the TIO Mixing unit.
In the unit below, the hot (boiler) water enters from the bottom left, red arrow, up through the "mixing...
Evening all, I’m hoping somebody can help.
I have a wet speed fit UFH system, that controls 9 loops on the ground floor, each with a separate zone thermostat, flow valve and actuator.
The problem I’m having is when the main programmer (which controls the entire system), is left on (I.e...
Hello my hearing pump failed over the weekend and a new Grundfos Ups3 was installed to replace Geundfos UPS 15-50. Hot water and central heating were reinstated however as soon as the UFH was turned on the downstairs radiators went cold but the UFH became warm. I have turned everything off and...
It looks like I have 2 options. The first uses the existing pump, the second uses another pump to pump water exclusively to the ufh manifold and pump. I have already taken off a separate flow and return from the top of the boiler. I would like to know which would work best. Any advice welcome...
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