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I was wondering if anyone had any suggestions about an issue I'm having at work with our central heating?
We have 2 central heating zones, 1 for the offices on the ground floor and the other for underfloor heating in our ground floor stores and a small rear office. Until fairly recently we've had no issues with the heating in both zones, but noticed in the recent spell of cold weather the radiators in the main office weren't getting hot and the underfloor heating in the stores was still warm.
I've tried to work out what the issue could be and if I turn the thermostat off for the stores, the radiators in the main office get hot. I've turned the radiators off 1 by 1 in the main office in case there may have been an air lock somewhere in the system but that doesn't seem to have worked, and when I turn the thermostat back on in the stores the radiators in the main office go cold.
We've had a plumber come and have a look and he's replaced the pump and the actuator off 1 of the motorised valves but we are still having the same problem.
Is there anything else that I could check/test?
We have 2 central heating zones, 1 for the offices on the ground floor and the other for underfloor heating in our ground floor stores and a small rear office. Until fairly recently we've had no issues with the heating in both zones, but noticed in the recent spell of cold weather the radiators in the main office weren't getting hot and the underfloor heating in the stores was still warm.
I've tried to work out what the issue could be and if I turn the thermostat off for the stores, the radiators in the main office get hot. I've turned the radiators off 1 by 1 in the main office in case there may have been an air lock somewhere in the system but that doesn't seem to have worked, and when I turn the thermostat back on in the stores the radiators in the main office go cold.
We've had a plumber come and have a look and he's replaced the pump and the actuator off 1 of the motorised valves but we are still having the same problem.
Is there anything else that I could check/test?
