![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?auto=webp&s=8e6f7a3db2eedf21d3dc94e7112f8e52177f2721)
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
![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
I recently installed a new hot water tank 40 gallons 3000 watts 240 volts installed new 12/2 wire with a split 20 amp
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Chronomite SR-30/277 HTR 277-Volt 30-Amp SR Series Instant-Flow Standard Flow Tankless Water Heater - Amazon.com
![Time Switches - Digital Timers - 30 Amp Water Heater (Geyser) Timer - Yueqing Xinyang Technology Co., Ltd. Time Switches - Digital Timers - 30 Amp Water Heater (Geyser) Timer - Yueqing Xinyang Technology Co., Ltd.](http://www.sinotimer.com/UploadFiles/2013715231437650.jpg)
Time Switches - Digital Timers - 30 Amp Water Heater (Geyser) Timer - Yueqing Xinyang Technology Co., Ltd.
![Electric Water Heater Electric Tankless Water Heater 3.5 KW Instant Hot Water Small Enough to Install Anywhere for for Any Bathroom Sink : Amazon.co.uk: DIY & Tools Electric Water Heater Electric Tankless Water Heater 3.5 KW Instant Hot Water Small Enough to Install Anywhere for for Any Bathroom Sink : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61bJG-X8FUL.jpg)
Electric Water Heater Electric Tankless Water Heater 3.5 KW Instant Hot Water Small Enough to Install Anywhere for for Any Bathroom Sink : Amazon.co.uk: DIY & Tools
![Watch Me Work - Water Heater Downsize / Electrical from 240v to 120v and a Detour to Buy some TOOLS! Watch Me Work - Water Heater Downsize / Electrical from 240v to 120v and a Detour to Buy some TOOLS!](https://i.ytimg.com/vi/992CkD6PTOI/maxresdefault.jpg)