A tankless water heater will require a dedicated circuit as specified by the installation manual of the unit that has been selected.
Tankless water heater wires installation.
Ask this old house plumbing and heating expert richard trethewey heads to milwaukee to install an instantaneous water heater.
This will also make it easy to apply pipe insulation.
Wire connections for a ecosmart 18 tankless water heater.
Wires to the tankless water heater reviewing the electrical question.
This video is an instructional video that gives you insight how to install tankless.
Community answer you will probably need 220 volt service as with an electric dryer with at least 60 amps.
What size wiring is recommended when installing a tankless hot water heater.
Clean the pipes and connectors before soldering to remove.
If you need additional space in the panel for the circuit breaker then a quad circuit breaker may be allowed as specified by the make and model of the panel.
This electrical wiring project is about how to connect the wires from the circuit breakers to a ecosmart 18 tankless water heater.
Use bell hangers to hold pipe securely in place against the wall.