Replace them with copper or plastic pipe.
Cold for the calcium carbonate is disolved by hot water.
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
No this is not necessary. Install the pipes as per usual. You can insulate the hot water pipes up to two meters or up to two yards from the hot water outlet from the hot water tank to prevent this. No this is not necessary. Install the pipes as per usual. You can insulate the hot water pipes up to two meters or up to two yards from the hot water outlet from the hot water tank to prevent this.
All of the above. Mineral deposits form on all piping and water appliances.
Heat tape is just for keeping the pipes from freezing, it does not heat the water. That's what the hot water heater is for.
Air in the pipes from a hole, break or crack somewhere along the line, or from a loose fitting or valve near or at the water heater; possibly caused by a mineral or debris- clogged filter screen at the faucet or discharge end.
Your hot water pipes have rust in them.
Well if water is too cold, pipes will contract and if water is too hot, the pipes will expand.
There are several commercial products available that you can run in a hot tub to get rid of the buildup in the pipes.
yes
You know it by touching and feeling the pipes on the hot water side; if they are hot, there is water running through the pipes and obviously the heater valve is open on hot side.