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A tankless water heater sizing calculator determines the required flow rate (GPM) and temperature rise to select the correctly sized unit. Flow rate is the sum of all simultaneous hot water uses; a shower (2.5 GPM) + dishwasher (1.0 GPM) requires a unit capable of 3.5 GPM at the required temperature rise.
Guida passo passo
- 1Input base values
- 2System computes results
Esempi risolti
Ingresso
Enter the required values
Risultato
Result computed by the formula
Errori comuni da evitare
- ✕Precision loss
- ✕Ignoring variables
Domande frequenti
What does this calculator do?
Input base values
How do I use this calculator?
System computes results
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