Spa Parts: Spa Heaters (Therm Products Low Flow Spa Heaters)
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Sale!
![Dimension One 5.5kW Square Back Low Flow Heater [Aber] [06HTR3210] [230v] (C3242-1A)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/dimension-one-5-5kw-square-back-low-flow-heater-aber-06htr3210-230v-c3242-1a-dsebnrcz70480.webp)
Dimension One 5.5kW Square Back Low Flow Heater [Aber] [06HTR3210] [230v] (C3242-1A)
Original price was: $324.85.$53.40Current price is: $53.40. Add to cart -
Sale!
![Therm Products 11.0kW Low Flow Heater [3″ x 12-7/8″] [240V] [1.5″ QD] [Laars Elektra] (B21100-3000)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-11-0kw-low-flow-heater-3-8243-x-12-7-8-8243-240v-1-5-8243-qd-laars-elektra-b21100-mkoclegk42680.webp)
Therm Products 11.0kW Low Flow Heater [3″ x 12-7/8″] [240V] [1.5″ QD] [Laars Elektra] (B21100-3000)
Original price was: $164.02.$38.02Current price is: $38.02. Add to cart -
Sale!
![Therm Products 4.0kW Low Flow Trombone Heater [240V] [Caldera] [Laing 6595 & 7340] (C3473-1)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-4-0kw-low-flow-trombone-heater-240v-caldera-laing-6595-038-7340-c3473-1-nzuoswej55298.webp)
Therm Products 4.0kW Low Flow Trombone Heater [240V] [Caldera] [Laing 6595 & 7340] (C3473-1)
Original price was: $287.24.$50.25Current price is: $50.25. Add to cart -
Sale!
![Therm Products 5.5kW Low Flow Curved Heater Assembly [11″ x 2″] [240V] [Arctic] (A2550-5251ET)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-low-flow-curved-heater-assembly-11-8243-x-2-8243-240v-arctic-a2550-5251et-trswfxap93056.webp)
Therm Products 5.5kW Low Flow Curved Heater Assembly [11″ x 2″] [240V] [Arctic] (A2550-5251ET)
Original price was: $152.65.$34.06Current price is: $34.06. Add to cart -
Sale!
![Therm Products 5.5kW Low Flow Heater [240V] [3/4″ B x 90 deg B Toward Electric] [Caldera] (E2550-0101)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-low-flow-heater-240v-3-4-8243-b-x-90-deg-b-toward-electric-caldera-e2550-0101-rvosksuv50551.webp)
Therm Products 5.5kW Low Flow Heater [240V] [3/4″ B x 90 deg B Toward Electric] [Caldera] (E2550-0101)
Original price was: $136.07.$29.34Current price is: $29.34. Add to cart -
Sale!
![Therm Products 5.5kW Low Flow Heater [240V] [Square Back] [Jacuzzi/Sundance] (C3229-2A)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-low-flow-heater-240v-square-back-jacuzzi-sundance-c3229-2a-fivfvbww31756.webp)
Therm Products 5.5kW Low Flow Heater [240V] [Square Back] [Jacuzzi/Sundance] (C3229-2A)
Original price was: $197.89.$47.44Current price is: $47.44. Add to cart -
Sale!
![Therm Products 5.5kW Low Flow Heater [3″x13.5″] [240V] [3/4″ B x 90 Tailpiece] [Generic] (E2550-0320ET)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-low-flow-heater-3-8243-x13-5-8243-240v-3-4-8243-b-x-90-tailpiece-generic-e2550-ycptbtjh92580.webp)
Therm Products 5.5kW Low Flow Heater [3″x13.5″] [240V] [3/4″ B x 90 Tailpiece] [Generic] (E2550-0320ET)
Original price was: $345.55.$57.45Current price is: $57.45. Add to cart -
Sale!
![Therm Products 5.5kW Low Flow Heater [9″ x 3″] [240V] [Leisure Bay] [Generic] (E2550-0202ET)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-low-flow-heater-9-8243-x-3-8243-240v-leisure-bay-generic-e2550-0202et-qgihenao59636.webp)
Therm Products 5.5kW Low Flow Heater [9″ x 3″] [240V] [Leisure Bay] [Generic] (E2550-0202ET)
Original price was: $344.09.$60.66Current price is: $60.66. Add to cart -
Sale!
![Therm Products 5.5kW Square Back Low Flow Heater [Aber] [06HTR3220] [240V] [Generic] (C3238-1A)](https://www.ingroundpoolsupply.com/wp-content/uploads/2025/10/therm-products-5-5kw-square-back-low-flow-heater-aber-06htr3220-240v-generic-c3238-1a-xakrnqrb69083.webp)
Therm Products 5.5kW Square Back Low Flow Heater [Aber] [06HTR3220] [240V] [Generic] (C3238-1A)
Original price was: $292.30.$51.02Current price is: $51.02. Add to cart