Dual-element units particularly may be subject to power control regulations intended to prevent simultaneous oper- tion of the elements. ... Electric hot water heaters frequently are positioned in kitchens, closets, and attics. Always set the unitanbsp;...
|Title||:||Heating handbook, a manual of standards, codes, and methods|
|Author||:||Robert Henderson Emerick|
|Publisher||:||McGraw-Hill Companies - 1964-12|