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Water Heater Sizing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Fórmula

Required GPH = Peak Hour Demand × Recovery Efficiency

Guia passo a passo

  1. 1Estimate peak hour usage based on household size and habits
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Exemplos resolvidos

Entrada
4 person household, peak 80 gallons/hr needed
Resultado
Size for 80 GPH recovery or 50-gallon tank

Erros comuns a evitar

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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