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Central Heating & Storage Heaters Forum
Can't switch water off when Central Heating is on. Need help please!
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<blockquote data-quote="Geoff1946" data-source="post: 532847" data-attributes="member: 28452"><p>That limescale looks to me like a long term leak from a badly made joint, rather than from the valve itself. Hardly cause to condemn the whole system and more like a, "don't really want to be bothered with this", diagnosis. </p><p>Don't be put off too easily. The valves complete are neither particularly expensive nor difficult to fit, and sometimes you can just replace the motor/head assembly which is by far the most unreliable part, without even draining the system.</p><p>A simple way to check valve functioning is to have the system cool and put your hand on the pipes to feel the temperature rise.</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 532847, member: 28452"] That limescale looks to me like a long term leak from a badly made joint, rather than from the valve itself. Hardly cause to condemn the whole system and more like a, "don't really want to be bothered with this", diagnosis. Don't be put off too easily. The valves complete are neither particularly expensive nor difficult to fit, and sometimes you can just replace the motor/head assembly which is by far the most unreliable part, without even draining the system. A simple way to check valve functioning is to have the system cool and put your hand on the pipes to feel the temperature rise. [/QUOTE]
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Can't switch water off when Central Heating is on. Need help please!
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