What size gas line do I need for a tankless water heater?

What size gas line do I need for a tankless water heater?

¾-inch
A typical tankless water heater will need a ¾-inch gas line. However, if there is sufficient pressure and the run length is short enough, a ½-inch line may be sufficient with certain tankless water heaters, such as the Noritz EZ Series.

How high should a tankless water heater be installed?

You’ll typically need to find a place that’s at least three feet from windows, and as close as possible to the vent termination. If your home is several stories tall, you usually can’t place the water heater several stories below a roof vent.

How many breakers do I need for a tankless water heater?

Typical tankless requires 40-50 amp breaker for each wire. Each wire supplies 1 element. This example requires 3 breakers rated 40-50 amp = 120+ total amps. 150 amps main breaker: 150 amps x 80% = 120 amps safe maximum so there is no electricity left for other appliances.

How many amps do you need for a tankless water heater?

Electric tankless water heaters can have a power input from 10,000W (10 kW) to 40,000W (40 kW)….How Many Amps Do 10-40 kW Electric Tankless Water Heaters Draw?

Tankless Heater Size (in kW) Electrical Current (in Amps)
12 kW 50 amps
13 kW 54 amps
14 kW 58 amps
15 kW 63 amps

How many Btus can a 1/2 Pipe carry?

Steel Pipe – Schedule 40

Capacity of Pipe (MBH ≈ CFH)
Pipe Size (in) Pipe Length (ft)
1/2 0.622 31
3/4 0.824 70
1 1.049 141

Where should a tankless water heater be installed?

The ideal location for your water heater is inside the home. Most installations are small and unobtrusive so they will easily fit in a pantry, under the stairs, or under your sink. If you must place the water heater outside, make sure it’s safe from direct sunlight, rain, and insects.

How much does it cost to install a tankless water heater?

Tankless water heater installation costs $800 to $3,500 total on average. Tankless water heaters are more energy-efficient, last longer, and provide an unlimited supply of hot water on-demand. Gas water heater installation costs $600 to $2,800 total for a standard tank or $700 to $4,600 for a tankless.

Where should I install a tankless water heater?

Clearance Requirements. You’ll need to meet any clearance requirements the manufacturer might specify.

  • Install On or Close to an Exterior Wall. You can use internal walls for your tankless water heater.
  • Put It Close to Gas and Water Inlets and Power Source.
  • Proximity to Hot Water Appliances.
  • Venting.
  • How do you install a tankless hot water heater?

    Use Teflon tape on the pipe threads. To install the vent piping, make sure the outlet is kept away from windows, doors and ventilation air intake hoods. Most tankless water heaters require disconnect switches, which should be installed next to the water heater. Run water through the unit before powering it up.

    How to switch to a tankless water heater?

    Consult with EcoSmart on the proper size tankless water heating unit for your home and needs.

  • Have a site inspection with a plumber and electrician.
  • Order the size EcoSmart unit for your home.
  • Schedule the install.
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