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After balancing the flows, one of these blighters has started to drip very slowly from under the red cap. It feels loose to turn, so I suspect the seal around the spindle is to blame. It won't be 'worn' as such, as they don't get fiddled with for years, but this tiny adjustment was seemingly...
Hi - some advice would be appreciated.
We are doing a refurb and are having water based underfloor heating installed.
The top layer will be 15mm engineered wood (floating).
Our builder has done things in a backward way so I need advice on what is the best solution given the circumstances...
- Question
Hello,
I have a piped underfloor heating system in the kitchen. The valve/mixer/pump unit is under the stairs.
It has a number of settings and a digital display. Settings include PP1, PP2, CP1, CP2, I, II, III, Auto, a number followed by W, and what looks like a night mode setting.
When I...
Hi there, I'm considering having my heating system controlled by Honeywell Evohome. I have a question about the underfloor heating controller....
I have a single zone water underfloor heating in the kitchen. The controller is currently a Wunda. I've never been all that happy with it because...
Can anybody identify the make of this divertor valve. Actuator is missing!!
Cheers.
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...
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...
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...
Hi, as part of an extension/refurb project I will be fitting UFH over a new concrete floor as well as existing joisted timber floor. Both floors being within the same room.
My question is whether anyone has done this mix of subfloors before and noticed a performance/temperature difference...
Hi, we have a leak from the underfloor heating manifold. It appears to be leaking from one of the thermal actuators (please see photos). It’s leaking about a cupful every day. So far, I’ve talked to about 10 local plumbers:–
Contacted original installer. The admin person kept telling me that...
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
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...
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...
Hi,
I'm installing a large 8 zone UFH system into a new concrete floor we're installing at a bungalow. I'm looking at the pipework manufacturers and i can't decide which to go for:
I want to install the best under the screed:
I'm currently looking at for Pipes:
Uponor
Rahau
Polypipe
John...
Hi. We have recently bought the ground floor of a Victorian house, about 100 m2. The floors are all laid to very solid floor boards and the ceilings are 3m high. I've had some quotes from a couple of UFH firms, one says they'll lay their product directly onto the exisiting floor boards and the...
Just recently installed UFH .When all radiators and Ufh are on pressure normal floors are warm radiates are warm .When anything is turned off pressure drops to 0 with Worcester boiler flashing
I have isloated it to the UFH and not boiler or radiatets could this be anything other than a leak...
I spotted this dark stain on my wood floor around 3 weeks ago, last time the underfloor heating was on was in December. Yesterday I switched it on again and it seems to be getting bigger. The stain is dark, no cupping or crowning, no sign of water or moisture. Any ideas whether it's a chemical...
- Question
Hi, I need some advice on what wet UFH system to get for our renovation of a 1970s 3 bed bungalow. The house had subsidence so in the process of fixing that the floors were dug up and replaced with the following construction: hardcore base, membrane, 150mm insulation, concrete finish...
- Question
The (rather sparse) manual with the controller that was supplied with my UFH (Hettaj describes the start sequence as - when demanded by the stat - valves open then pump runs.
As the programmability of the stat is very basic, I’d like to replace it with a smart controller the same as I use on...
- Question
Hello,
I have a gas boiler in my apartment that heats a net area of 300 m2 with an underfloor heating system. The boiler has a capacity of 45 kW. There's no issue with the heating system, but I want to increase the hot water capacity. I plan to connect an external 200-liter boiler. How can I...
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