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5) HOW TO BALANCE A CH SYSTEM If some of your rads are not getting their share of hot water you need to balance the system. This involves opening and closing rad valves to divert hot water so that all rads heat up more evenly. Click HERE for details. The Lockshield valve above is...

4) BLEEDING YOUR RADIATORS When water is added to a CH system, air finds its way in too. Air rises in water and collects at high points in the system, i.e. radiators and pipework. Always bleed rads after refilling system or when you find the top of the rads are cooler than the bottom...

3) DRAINING DOWN YOUR CH SYSTEM If you wish to modify your CH pipework or change valves etc you will always need to drain down your system. This can be partial or full drain down depending on what you are planning to change. 1) Turn off boiler 2) If a vented system cut supply to the F...

2) RADIATOR PROBLEMS- 1) Radiators are cold at the top Try bleeding. See FAQ 4 2) . Some rads are not heating up or are only warm. Try balancing the system See FAQ 5 RADIATORS NOT WORKING- a checklist 1) Radiator valves are not open or TRV stuck. See FAQ 6 2) Pump...