![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
![electrical - Using a 30-amp tandem circuit breaker for a 120/240v circuit? - Home Improvement Stack Exchange electrical - Using a 30-amp tandem circuit breaker for a 120/240v circuit? - Home Improvement Stack Exchange](https://i.stack.imgur.com/ivgZF.jpg)
electrical - Using a 30-amp tandem circuit breaker for a 120/240v circuit? - 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
![UBIP230-New Pushmatic P230 Replacement. Two Pole 30 Amp Circuit Breaker Manufactured by Connecticut Electric. - Amazon.com UBIP230-New Pushmatic P230 Replacement. Two Pole 30 Amp Circuit Breaker Manufactured by Connecticut Electric. - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/81AaatP8e6L._AC_UL600_SR600,600_.jpg)
UBIP230-New Pushmatic P230 Replacement. Two Pole 30 Amp Circuit Breaker Manufactured by Connecticut Electric. - Amazon.com
![Eaton Type CH 30-Amp 1-Pole Standard Trip Circuit Breaker in the Circuit Breakers department at Lowes.com Eaton Type CH 30-Amp 1-Pole Standard Trip Circuit Breaker in the Circuit Breakers department at Lowes.com](https://mobileimages.lowes.com/productimages/54dad439-e8e1-41dd-a619-eff29cad4574/10579759.jpg?size=pdhism)