Almost 340,000 BTU per hr
BTU is not a measure of temperature.
How hot and how fast? 5,000 btu's will heat it. Not very hot and it will take forever. If you are using it for residential hot water application. Roughly 40,000 BTU's
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
15,000 BTU is about 15.825 million Joule.
Copper is used as hot water pipes because the copper will not corrode when the hot water goes through the pipes
Hot bodies contain thermal energy, this is measured in calories or BTU
11800 BTU/hr is 3.46kW
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.
77,550 BTU/hr = 22.728kW
There are pipes that feed from radiator to radiator. Or there can be multiple feed pipes and return pipes, it varies based on installation.
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.