Looking for reccomendations for a boiler man for my mum. Shes had her boiler serviced recently and radiators checked. Tbh im not happy with outcome as her thermostate is on 35° and the radiators in most of the rooms are not hot or hot bottom and cold top, the bedroom ones are hardly warm. To me im no expert but a complete flush out needs doing or the pump isnt pumping the water/heat round. Need someone to go have a good look, ill be present as my mum is elderly to discuss a solution. TIA