Incoloy800 steel heating element very safty and long life.
suitable bathtub &spa tub /hot tub 2KW /110V-120V, easy to be installed and replaced
adjustable temperature is from 20 ° C to 45 ° C, when up safty protection Max 45 ° C ,it will be stopped automatically.
suitable for bathtub or hot tub with thermo cover, water capacity not more than 800 US gallon
with 1.5" outlet , min 0.035MPA pressure,suggest work with at least 0.25HP