About this heater element
This 4.0kW flo-thru heater element from Therm Products delivers reliable heating performance for 230V spa systems. The bent bowtie design with protective coating ensures efficient heat transfer while extending element life in demanding hot tub environments. At 4000 watts, this element provides the power needed to maintain your spa’s optimal temperature.
We guarantee an exact fit for your heating system and back every element with our comprehensive 1-year warranty. Your replacement ships the same day you order, getting your spa back to perfect operating condition fast. Professional installation is recommended—always verify voltage requirements and ensure power is completely disconnected before replacing any heating element.
