the tap will be enough. just have a couple of old towels handy.
houstonwehaveaproblem";p="1049031 said:The hw output union on the top of your hw cylinder (in the centre of the dome) is furred up and constricted - this happens in time. Remove the pipe at this outlet and clean the union in situ to restore flow. Don't forget to shut off cw supply from cw storage and drain off via hw bath tap first. Be careful not to damage the cylinder when disconnecting hw outlet pipe.
Took the pipe off and the top of the immersion tank seems ok. It has a little limescale round the top but it hasnt reduced the size of the outlet hole.
Best plan now is to have hw outlet replaced by a supply takng the lowest route possibe to your hw outlets (bathroom and kitchen) - any experienced plumber will immediately recognise what is wrong with your existing unorthodox arrangement/hw pipe route. The original plumber did'nt understand the basic principal of maintaining maximum head difference between supply (cw storage for hw) and outlets (taps). This is not a job you can undertake yourself. Easiest solution may be to re-pipe underfloor rather than an untidy job through the obstacles of your house structure - choices depend on the position of your hw cylinder relative to the site of bathroom and kitchen tap outlets. The above will be a permanent cure your problem. I had hoped that my previous suggestion would provide you with a quick fix. Your current hw installation is prone to airlocks and low flow. If you have hw and cw taps close to each other for a washing machine then you can connect them together with a w/machine hose and use the cw pressure to expel the air lock from the hw circuit - backfill to the cw storage tank above. Open hw tap first then open the cw tap. This technique should be carried out with great care.
teeing off top of immersion and going where ?
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