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Vertical Rad Gurgling and top half only getting hot. Plinth heater luke warm too

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bandai1972

Hi there, please go easy on me first post! We have just had a new kitchen extension and have got one normal double rad, a smiths ss5 plinth heater and a tall vertical rad. It is a big room with a vaulted ceiling so it needed a fair bit of BTU's to heat it. The normal rad is heating up great, but the expensive vertical one is only heating up at the top half and is very gurgly. My other half has bled it and it is water coming out now. The hydronic plinth heater is only blowing out luke warm air, maybe this is right not sure though as I expected it to be hot. We have a fairly new Vaillant 837 combi, temp was set to 70 yesterday and all the other radiators which have been replaced around the house work like a treat, just struggling with the tall one and the plinth heater? Any advice greatly accepted!! Thanks Dawn
 
Hi Dawn, sounds like you've tried the obvious things. I'd be getting the fitters back to rectify that.
 
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