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Central heating always on
1) Boiler make / model (gas or oil) GAS, HONEYWELL 2) What is / is not happening HUMMING IN PIPES WHEN SYSTEM IS ON. THE RADIATORS ARE WARM WHENEVER THE SYSTEM IS HEATING WATER. 3) Has ANYTHING else been done / changed recently NO. MOVED IN ABOUT 9 MONTHS AGO AND NOTHING'S BEEN DONE...- yunus7
- Post #5
- Forum: Plumbing and Central Heating
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Central heating always on
The central heating is always on even when it is turned off at the timer control. Also the pipes make a constant humming noise. Bleeding the radiators hasn't helped. The system includes a 2-point motorised valve, a valve actuator, a flexcon expansion vessel, a combi boiler, a water tank and...- yunus7
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- Replies: 5
- Forum: Plumbing and Central Heating
