hi .i had a combi boiler installed three months. since then i have to vent my hall radiator every week. its a single storey with 6 rads.whats causing the one rad to be vented so frequently? cheers
that rad may be just slightly higher than the rest therefore the air already in the system is being depositited in this rad.
Another is corrosion in pipework causing (gassing) try lighting vent while you are bleeding the rad, this will tell you if this is the case or not, dont worry you wont blow yourself up , it will produce a small flame if it is gassing ,
Another is corrosion in pipework causing (gassing) try lighting vent while you are bleeding the rad, this will tell you if this is the case or not, dont worry you wont blow yourself up , it will produce a small flame if it is gassing ,
Combi usually means sealed system so you should not be bleeding it this regularly, if you are you must also having to be topping it up with fresh water.
This would indicate you have a leak somewhere .
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