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Help needed. I have a wired heatmiser system with slimline thermostats RHF 8 version and having real problems heating the rooms.
The thermostats are talking to the board as the zones are lit, and the actuator valves are all raised and the manifold is warm and pipes warm to it but the return pipes and return manifold is stone cold and the floors are luke warm at best, one floor is Stone cold despite this. I have raised the temp to 55 to see if I could force the temperature through but it has only impacted the top manifold.
Any ideas?
The thermostats are talking to the board as the zones are lit, and the actuator valves are all raised and the manifold is warm and pipes warm to it but the return pipes and return manifold is stone cold and the floors are luke warm at best, one floor is Stone cold despite this. I have raised the temp to 55 to see if I could force the temperature through but it has only impacted the top manifold.
Any ideas?
