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.
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.
The metal fins on the outside of the hot water pipes radiate heat into the room.
hot natural spring water/steam supplied through pipes.
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
You can insulate the hot water pipes with spiral-wrap fiberglass insulation, foam tube insulation, or fiberglass pipe covers. These will all help reduce heat loss.
Hot water pipes are made of different material so that they can keep the water flowing through them at a hotter temperature. Hot water pipes are usually made of copper or some other heat conductive material, and cold pipes are usually made of plastic or other non conductive material.
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
To protect them from frost damage. In cold weather, 'standing' water in cold pipes can freeze if the temperature drops low enough. When water turns to ice, it expands - which could cause the pipe to burst. However - you wouldn't know if it had burst until the ice had thawed !
Heat speeds up chemical reactions. As corrosion is a chemical reaction, copper pipes at a higher temperature will corrode faster
So the radiation from the sun is absorbed by the black surface to heat the water in the pipes.
The Roman public bathhouses were heated using a series of lead pipes that fed in hot water. The water was heated outside and run down through the pipes which made lots of steam to heat the bathhouses.
Your hot water pipes have rust in them.