Last seen: Aug 24, 2025
No not yet, I don't have the right gear to monitor. Just paying £14 a day currently...:(
I don't have equipment to measure the temperature accurately (plumber did the last readings), but with an infrared laser thermometer I'm getting UFH...
@alec-morrow you can see it here. The rads are definitely coming off the bottom two. If switched, won't that mean the UFH is too cold though given the...
First picture uploaded was a bit small.
@colin not that I can see, just a Grundfos pump set to level 3 (highest speed). Pipes feel cold when the UFH is on and warm when it isn't. That valve ...
@colin not that I can see, just a grundfos pump set to level 3 (fastest) @derek-m - here are some photos of the buffer tank. There are four pipes co...
@mattengineer I have been told the radiators have been oversized to the requirements of the ASHP system. The radiator on the landing is a triple radia...
Hi @derek-m There are little caps on top of the manifold, which are between 2.5/3 when the heating is active. I assumed this was litres per minute,...
@alec-morrow I'm coming to the realisation that this is indeed the problem. There is a single zone and no electronic mixer. We have a VRC700 indoors i...
@colin do you know or can you measure the flow temp to and from your radiators and ufh? Upstairs still freezing, rads cold despite 3 litres per minute...
Posted by: @colin Posted by: @webcmg @colin You know you want to get the problem sorted when you get out of bed to set this up! I also ...
No, I think there is a pump for each manifold and actuators for each zone. Will try this if Colin's approach isn't working. Thanks.
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