Question for Heating/Plumbing knowledgeable members
In the next week or so I am going to fit a new heating element in my water sylinder. The existing heater was new with the water cylinder 3 years ago so I do not expect any problems unscrewing the old element that is a short one mounted in the top of the water cylinder. I have the right tool to fit it.
When I replaced my last immersion heater some 25 year or so ago my tank was a Primatic one so I had to drain the whole heating system down. My new CH system is a fully pumped system with a motorised valve for the 3 heating options.
My question is this can I just switch off the hot water header tank, drain the hot water from the lowest tap in the house and remove the top mounted heater or do I have to use the bottom drain on the water cylinder and drain it completely as well?
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17-10-2017, 16:51
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