Why Electric Tankless Water Heater Installation Requirements Matter Before You Buy Electric tankless water heater installation requirements are more demanding than most homeowners expect — and getting them wrong can mean a failed inspection, a voided warranty, or a serious electrical hazard. Here is a quick summary of what you need before installation: Requirement What You Need Voltage 240V dedicated supply (most whole-house units) Amperage draw 51 amps (12.2 kW) up to 133 am

Utah homeowners are upgrading to tankless water heaters this spring for energy savings, endless hot water, and lower utility bills. Learn why it’s the smart move.