Our new technology heaters
 require no wiring. Pumps are
 upsized by plant to provided
 energy required for heat and
 maintain jet pressure. 
In-line bath heaters require 120Volt 20 amp GFI electrical wiring. 
Amp Draw is 13 amps @ 120 Volts. A small waterheater element contained in a stainless steel tube, provides 1500 KW of heat. No controls ! Pressure switch inside turns on heater when pump is running. Reset button. Indicator light.