I recently installed a new hot water tank 40 gallons 3000 watts 240 volts installed new 12/2 wire with a split 20 amp
![electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange](https://i.stack.imgur.com/T1k8U.jpg)
electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange
![JNOD Tankless Water Heater 6 kW/30 amps XFJ65KH | Hardware & Home Improvement | Pricesmart | Kingston | Jamaica JNOD Tankless Water Heater 6 kW/30 amps XFJ65KH | Hardware & Home Improvement | Pricesmart | Kingston | Jamaica](https://d1cft8rz0k7w99.cloudfront.net/n/c/c/0/f/cc0f2c97736a6c9855e3d213a21aa6b7c0319e17_Waterheater_450198_01.jpg)
JNOD Tankless Water Heater 6 kW/30 amps XFJ65KH | Hardware & Home Improvement | Pricesmart | Kingston | Jamaica
![Chronomite Labs 120VAC Undersink Electric Tankless Water Heater, 3600 Watts, 30 Amps AC - SR-30L/120 - Amazon.com Chronomite Labs 120VAC Undersink Electric Tankless Water Heater, 3600 Watts, 30 Amps AC - SR-30L/120 - Amazon.com](https://m.media-amazon.com/images/I/61FkcJLA7CL._AC_UF894,1000_QL80_.jpg)
Chronomite Labs 120VAC Undersink Electric Tankless Water Heater, 3600 Watts, 30 Amps AC - SR-30L/120 - Amazon.com
![electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange](https://i.stack.imgur.com/01SAt.jpg)
electrical - 50 Amp tankless water heater and 30 amp double pole switch - Home Improvement Stack Exchange
Replace the gas water heater with the electric water heater and what materials are needed for the line and water heater
![New electric hot water tank blowing fuses. 30 amp fuse box but they left 20 amp in. Also blows 30 amp fuse. Should this box be replaced. There's a main panel 30 New electric hot water tank blowing fuses. 30 amp fuse box but they left 20 amp in. Also blows 30 amp fuse. Should this box be replaced. There's a main panel 30](https://external-preview.redd.it/OlqS64xsnklihfo_iwW67e-bhMB0wARircV6qkd_46g.jpg?width=640&crop=smart&auto=webp&s=bc93caf4f982747258a23406fe14596245891309)