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Post by rocketmanbkk on Aug 2, 2018 16:14:09 GMT
If you drain a WB combi & then run the hot water will it work properly?
Thx
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Post by tomplum on Aug 2, 2018 17:54:26 GMT
no. water will run but it can't get hot because the boiler won't work while its empty
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Post by rocketmanbkk on Aug 2, 2018 17:59:51 GMT
no. water will run but it can't get hot because the boiler won't work while its empty Exactly I just wanted it confirmed Chap asked me to drain his system but told me his hw would be ok!! I told him not to be stupid. Boiler won’t work |
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Post by clart on Aug 2, 2018 18:03:57 GMT
But, if you turn off the isolation valves on the boiler flow & return before you drain so the boiler is still pressurised then it will work.
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Post by tomplum on Aug 2, 2018 19:41:02 GMT
I would not do that, you are relying on a 10mm bypass valve inside the boiler, if things went wrong and the boiler left the building via the roof, Who's gonna pay for a new one ? Its not worth the risk,  |
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Post by rocketmanbkk on Aug 2, 2018 19:54:26 GMT
Yes, I like to no risk too much. Cheers all
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