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Insulating water pipes reduces the speed that they lose their temperature with the ambient air. This can reduce the risk of the pipes freezing in an outdoor location. For the indoors, it keeps the pipes warmer for longer, which may help for frequent tasks that don't require hot water, like hand washing. But once the pipes have cooled off it doesn't increase ...

Your water supplies may be pre-mixing. That is, mixing cold and hot water even when no faucet is on. This may happen if you have any fixture where hot and cold water handles/valves are left on but a third valve that is used to regulate flow and is shut off. You, or a previous owner, might have made this configuration so that the temperature never has to be ...

I am an Australian and a Home Automation System Integrator and I can tell you legally you can't engage in any electrical or plumbing works without a licensce. Also you may also void your Insurance Policy if you make a claim and the water system was the direct cause of the problem (i.e. Fire or Leakage).

As RedGrittyBrick mentioned it may not be safe. It is not legal in Australia as it is only certified by Chinese standards and the installation of said unit is against the law ( not really a problem for you unless someone else uses it and gets electrocuted, you sell it, or sell the dwelling you are connecting it to. For reference perhaps look up "solar and ...

It may not be safe. My hot water tank has a 3 kW electric immersion heater. So the electric wiring to this would not be suitable for a 6 kW electric shower. However my immersion heater is only a secondary system used if my gas-fired boiler is not working for any reason. So your water heater may be rated higher if it is the primary water heater. You can ...

I think the key to the problem you're having is found in the following paragraph from the article that you linked to in your answer: In systems where the same thermostat controls cast-iron radiators and baseboard convectors, consumers are typically unhappy with the comfort from baseboards as compared with radiators, due mostly to the difference in ...

Modern shower faucets are pressure balanced to prevent scalding by limiting hot water if the cold supply loses pressure (say, if someone flushes the toilet) If this mechanism jambs, it would limit hot water. One test is to shut off only the cold water to the valve... repeat test, hot only -do you get any flow in either case? Some mixing valves ...

Insulating the pipes will of course make the water in the pipes cool down slower, but once it's too cool for your shower (or whatever), you'll still have to wait the same time for hot water to arrive from the tank. To eliminate the wait, you can add a second pipe back to the tank (connecting to the cold water intake pipe, or thereabouts) and a circulator ...

I did the same last year and noticed the same: time to get hot water at the extremities seems the same because the pipes are cold after a long period of time no matter what. What I haven't got a feeling for is whether it's quicker to get hot water after the pipe has been heated recently. We just don't have water usage that would benefit from that, yet. I ...