Fixture (Part) | Gallons by Minute (Gpm) |
Shower | 2.0-3.0 GPM |
faucet(kitchen, bathroom) | 1.0-2.0 GPM |
Washbasin | 1.5-2.0 GPM |
Washing machine | 2.0-2.5 GPM |
The figure for household members: | Gas tankless heater size (GPM) | Electric tankless heater size (kW) |
What size tankless water heater do I require for a household of 4? | 8-10 GPM | 20-28 kW |
What size tankless water heater do I require for a household of 5? | 9-11 GPM | 25-34 kW |
What size tankless water heater do I require for a household of 6? | 11+GPM | 34+kW |
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