Size Of Gas Water Heater Needed

Faster flow rates or cooler inlet temperatures can sometimes reduce the water temperature at the most distant faucet.

Size of gas water heater needed.

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. 1 2 people you ll need a water tank with at least a 30 gallon capacity. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. How to determine the size of a water heater tank.

Now that this family can answer the question what size electric tankless water heater do i need they just need to pick a good tankless water heater. If you re going with a storage tank water heater here s a rough guide for storage tank capacity. Therefore to size a demand water heater you need to determine the flow rate and the temperature rise you ll need for its application whole house or a remote application such as just a bathroom in your home. Simply locate the appropriate water heater sizes on ecomfort using your information.

Typically a 70ºf 39ºc water temperature rise is possible at a flow rate of 5 gallons per minute through gas fired demand water heaters and 2 gallons per minute through electric ones. 2 3 people you ll need at least a 40 gallon capacity tank. What size gas line does a rinnai tankless water heater require. What size water heater do i need.

What size water heater do i need. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. One option would be the rheem rtgh 95dvln 9 5 gpm indoor direct vent tankless natural gas water heater. While gas heaters go up to 400 000 btus in size the most powerful electric heat pumps top out at around 140 000 btus.

The takagi tankless natural gas water heater available from supplyhouse is just 20 inches high 14 inches wide and less than 10 inches deep. The bigger the water heater tank the more expensive it will be. Rinnai tankless water heaters are designed to provide maximum performance and efficiency using either a 3 4 or 1 2 gas line as long as sufficient gas flow is available. Before buying a tank water heater most homeowners want to get a rough idea of the water heater size their family needs.