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Hi,
I have a strange problem in my recently purchased property. I hope someone can shed some light on it.
In a nutshell, when a thermostat causes the underfloor heating pump to run, the boiler does not provide heat unless it happens to be switched on manually or by the boiler timer.
It is...
Hi guys,
I'm having trouble with a newly installed UFH system. There are 2 manifolds, one with 5 loops, the other with 9. Both are made by Herz, model no 1732007. Pump is a Wilo Yonic Para something something. Boiler is Vaillant Elo Block 14.
My trouble is that setting the TMV to its minimum...
Hello I'm new to the forum and wanted to ask a question after having a good read. House is undergoing a complete renovation and new pipework needs to be installed for the heating system. The current boiler is a WB Greenstar 34CDI combi boiler and is not very old so I wanted to reuse this in a...
Hi all. I've currently got a system boiler with cylinder and rads on s-plan. I'm planning on installing UFH in my kitchen/diner and utility/downstairs loo. My question is around mixing valves and opentherm. Do mixing valves dynamically adjust the amount of cold being mixed in response to the...
My Altech CPS 130-5 has stopped working and plumber said he can’t find this pump anywhere! Is this product still being made as it was installed about 10 years ago? Can anyone advise where I can buy it or recommend a similar product? Otherwise the whole ‘kit’ needs replacing and I’m trying to...
Hi all. If I may, I'd like to ask some beginner's questions.
The situation: We think we may have air trapped in our UFH system. Therefore, we're considering refilling the circuits. However, there are a few details we need to clear up first.
First of all, we need (?) to buy some hose end...
Good Evening,
We live in an old stone farmhouse which we are steadily 'improving' as the years go by.
The heating is provided by a CTC GSi 12 GSHP feeding UFH in the kitchen and Dining Room and radiators elsewhere.
The time is fast approaching when the bathroom is due a workover. In common...
Need some advice and help! (I am not a plumber so will try and give as much info as i can)
I have a room in my house with 2 loops of ufh in it. They are controlled by the same thermostat.
They have separate actuators at the manifold as well.
When the heating comes on one actuator opens fully...
Hi - please help me. I think our UFH is installed incorrectly. Please see pictures (if anyone needs more images I can take them). UFH-Full-View-Labelled - https://ibb.co/3C0MsKD
The problems we have are. The heating takes FOREVER to heat the rooms. The circulation pump is running all the...
Greetings PF members,
Does ufh operate similar to normal central heating, as in demand, switched, satisfied etc? We’ve been having an issue recently, in one of our propertie, whereby the bedroom was staying hot even though all thermostats were off.
Boiler is a Combi, property is a well...
Hi, we had UFH installed dowstairs in our house recently, and I'm not 100% sure that it's connected correctly. I'd be grateful if someone could have a look at the diagrams and tell me if what the plumber did makes sense. The house is heated with an A2W Samsung/Joule heatpump. The buffer...
- Question
I am building an extension and planned to have UFH on its ground floor. My builder imbeded 15mm pipes under 10cm concrete which was meant to be the total thickness of the floor. Unfortunately as they knocked through to my existing house, it turned out that the new floor is 8cm lower than the old...
Hi
I installed ufh on two floors. My question is can I run two manifolds on two floors with one pump and mixing shunt?
How do I go about connecting the manifolds together, do I run a T straight after the pump before it enters the first manifold or do I connect the second manifold after it...
Hi .there, can anybody give me advice on how to set up this digital clock. My ufheating is not working and I am trying to figure out if it is the timer or the pump.
The pump will get very hot and the pipes over the thermometer will also get hot, but as soon as I turn on the radiators for the...
Any idea where I can get a mixing valve the same as the one in the image, mine has a very slight leak.
We have a Worcester 30CDi boiler with a joule thermalstore 2.0 (gas and solar) with a Giacomini heat exchanger supplying hot water for our wet underfloor heating and our domestic hot water. It is a system we have inherited but one that does not seem to work as intended. The underfloor heating...
Hi,
Hoping someone can comment on whether what I see happening at my UFH manifold is OK, or whether there is cause for concern. I'm not an expert on underfloor heating, Our system was fitted about 10 years ago and has worked flawlessly with zero issues all this time.
As you can hopefully see...
Hi, we had underfloor heating installed about 15 years ago. Some of the actuator valves are now leaking and we need to replace them. I'm trying to source some that fit. The plastic caps which came with the originals had the 'Watts' brand on. I've tried ordering a couple of the most common valves...
I have preformed a Factory Reset and re-calibrated the Thermostat. Can anyone tell me if I now Set the Temperature Control will that cover the total 24 hour period.
I have tried to do this and then found the stat set at 5oC hotter - not a great idea in these cash-strapped times!!
I have looked at the S-PLAN wiring diagram (standard) for my new UFH/DHW system, but I don't think it offers me the best use of the new heat pumps resources, given i want to run the heat pump at low temp for a long time during sunlight hours only. Instead I came up with different control plan...
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