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No Hot Water Or Heating Following A System Drain Down
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<blockquote data-quote="Rob_the_rich" data-source="post: 393968" data-attributes="member: 8419"><p>Welcome to the forum Richard</p><p></p><p>You could try back flushing with mains, but it is risky if you are not absolutely sure what you are doing.</p><p></p><p>Make sure the little tank in loft has water in it, ball valve might be stuck</p><p></p><p>Make sure the pump isolating valves are open, fully anti-clockwise then clockwise 1/8th of a turn (so doesn't get stuck, same with most taps/valves left open).</p><p></p><p>Manually open the levers on the motorised valves while system is running</p><p></p><p>Bleed all radiators</p><p></p><p>Look for any manual (thumbwheel) air vents, also check the plastic caps of automatic air vents are not fully closed</p><p></p><p>You could try isolating the pump and putting it upside down for a burst, but check the little tank in the loft is not pumping over too much and splashing water everywhere</p><p></p><p>Bleed the pump when running, loosen the big screw and catch any water</p><p></p><p>if it all works, don't forget to add inhibitor</p></blockquote><p></p>
[QUOTE="Rob_the_rich, post: 393968, member: 8419"] Welcome to the forum Richard You could try back flushing with mains, but it is risky if you are not absolutely sure what you are doing. Make sure the little tank in loft has water in it, ball valve might be stuck Make sure the pump isolating valves are open, fully anti-clockwise then clockwise 1/8th of a turn (so doesn't get stuck, same with most taps/valves left open). Manually open the levers on the motorised valves while system is running Bleed all radiators Look for any manual (thumbwheel) air vents, also check the plastic caps of automatic air vents are not fully closed You could try isolating the pump and putting it upside down for a burst, but check the little tank in the loft is not pumping over too much and splashing water everywhere Bleed the pump when running, loosen the big screw and catch any water if it all works, don't forget to add inhibitor [/QUOTE]
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No Hot Water Or Heating Following A System Drain Down
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