Does the heat output as hot water loss through pipes and insulation.
The current flow in hot water circulation pipe.
Refers to the total length of the tubes to be calculated normally hot water pipe and hot water circulation pipe.
The hot water temperature leaving the tap water.
The lowest temperature in the hot water circulation line is usually set at least 50˚C.
Density volume or mass is a SI unit and is a measure of a specific substance's density, i.e. mass per unit volume. A synonym for density that can sometimes occur are specific weight.
Specific heat capacity or cp is a measure of a material's ability to store thermal energy. The SI unit for the specific heat capacity is J / (kg * K).
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