Tankless Gas Water Heater Electrical Requirements

Before purchasing an ecosmart electric tankless water heater please make sure that your home has sufficient electrical capacity for your desired model or that you have taken note of any upgrades that may be required.

Tankless gas water heater electrical requirements.

Determine your water flow rates. How to determine the required size of a tankless hot water heater. Determine the mounting space. Double the area for horizontal ducts.

Measure your cold water temperature. 1 x 50 amps. Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models. Breaker size and wire gauge must meet all applicable local state provincial and national electrical codes for your area these are only guidelines that will apply to most installations.

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. A tank type water heater and a tankless or demand water heater for. Carpentry although you won t be working with wood you need to be familiar with levels to ensure a level base and may need to anchor pipes to ceiling beams.

Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. The higher the energy factor the more efficient the water heater. Btu restrictions a 200 000 btu input tankless water heater requires an opening or vertical duct at the upper and lower locations with the equivalent area of an 8 inch round duct 50 sq in. For a household of one or two people a tankless electric unit will probably be adequate.

If money or return on investment is the principal reason you are considering converting to a demand type water heater you should perform an accurate total cost analysis that reflects all of the costs to install operate maintain both types of water heaters. 2 x 10 awg copper. Simply locate the appropriate water heater sizes on ecomfort using your information.