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One-of-a-kind Therm Products 5.5kw Flo Thru Heater [15" X 2"] [240v] [cal Spas] [no Box] (c2550-2001) 80% Off - Today Only [simdHlz3]

$33.99 $108.99 -69%

One-of-a-kind Therm Products 5.5kw Flo Thru Heater [15" X 2"] [240v] [cal Spas] [no Box] (c2550-2001) 80% Off - Today Only [simdHlz3]5807648-3301-10-055H26-2001-7S-KCal Spa XL ExchangerAftermarket Replacement for Cal Spa XL Exchanger: This heater assembly is not an exchanger but an in-line flow

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One-of-a-kind Therm Products 5.5kw Flo Thru Heater [15" X 2"] [240v] [cal Spas] [no Box] (c2550-2001) 80% Off - Today Only [simdHlz3]

Therm Products 5.5kW Flo Thru Heater [15" x 2"] [240V] [Cal Spas] [No Box] (C2550-2001)
  • 58076
  • 48-3301-10-055H
  • 26-2001-7S-K
  • Cal Spa XL Exchanger

Aftermarket Replacement for Cal Spa XL Exchanger:

This heater assembly is not an exchanger but an in-line flow thru replacement. This heater assembly is designed as a drop-in replacement. 2" x 15" housing with 2" slip tailpieces.

Housing Configuration Straight
Heater Length 15"
Threaded Tap Orientation None
Kilowatts 1.375kW, 5.5kW
Voltage 115v, 230v
Sensor Stud Orientation None
Mounting Stud Type None
Heater Size 2"
Heater Application Cal Spas


Therm Products has been a leader in the hot tub industry for more than 40 years. They are known by the trade names of Caldesso, TruHeat, Aquatemp Products, Related Metal Products (RMF), Thermcore or Therm Products. Their primary products include low flow and flo thru spa heaters, electric heater assemblies, heating elements, blowers, heat exchangers, residential & commercial rails, and UV generators. Therm Products are reliable and are some of the best built replacement products in the spa industry today.

WHY USE THERM PRODUCTS?

Therm Products have been a leader in the spa industry since the early 1970's. Being one of the world's leading supplier of hot tub heating products, they continue to be a strong company with outstanding products. They also offer electric heater assemblies, heating elements, blowers, heat exchangers, residential & commercial rails, and UV generators. They have a team of experienced and dedicated people looking forward to the challenges and opportunities the spa industry presents, and continue to develop their products looking towards the future.

Bath Parts™ carries a large line of Therm Products, readily available for immediate delivery. If you have any questions about their products, please feel free to ask us for assistance. You can reach our Product Specialists via telephone, chat or e-mail during normal business hours.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

This is a very solid and reliable unit.

- Zyair E..

January 22, 2026

Absolutely no complaints!

I'm impressed by the complete lack of any noticeable design flaws.

- Xi_Factor_X.

January 22, 2026

Absolutely no complaints!

A great piece of equipment, very satisfied.

- Lydia P..

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