instant heating household electric water heater frequency conversion constant temperature household instant heating small bath barber shop

piano black 100w standard + junction box piano black w standard + leakage switch elegant white 100w variable frequency constant temperature + junction box elegant white leakage switch w variable frequency constant temperature + brushed black 610w frequency conversion constant temperature + junction box brushed black 610w variable frequency constant temperature + leakage switch space-like gray 610w cast aluminum heating element + variable frequency constant temperature + junction box space-like gray 610w cast aluminum heating element + variable frequency constant temperature + leakage switch space-like gray 7500w cast aluminum heating element + variable frequency constant temperature + leakage switch space-like gray 8500w cast aluminum heating element + variable frequency constant temperature + leakage switch brushed black 8500w cast aluminum heating element + variable frequency constant temperature + leakage switch

installation not included including installation