Hot Tub Heaters

The "hot" in "hot tub" comes down to having a built-in, efficient heating system. We offer a vast selection of hot tub heaters and heater elements -- save on multiple spa heaters below to find exactly what you are looking for to keep your hot tub water warm and relaxing.

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Spa Builders by Allied C2550-0056 Heater 5.5KW 220V
On Sale
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Spa Builders Heater 5.5KW - 220V - 2" x 15" | C2550-0056

Allied Innovations
$80.99 $72.83
Sale
Therm C2550-2001 Spa Heater Assembly 5.5KW 230V
On Sale
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Therm Products Heater Assembly 5.5KW 230V Cal Spas | C2550-2001

Thermcore
$105.99 $90.83
Sale
Therm C3236-1A Spa Heater Assembly 4KW 240V
On Sale
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Thermcore Spa Heater Assembly 4.0KW 240V Lo-Flow | C3236-1A

Thermcore
$244.99 $219.83
Sale
Therm C2450-1008-ET Heater 4.5KW 240V
On Sale
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Thermcore Spa Heater 4.5KW 240V 2" X 17-1/2" | C2450-1008-ET

Thermcore
$120.99 $95.74
Sale
Thermcore C2450-0802ET 4.5KW Heater
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Thermcore 4.5KW Heater Flo Thru ET Morgan Type | C2450-0802ET

Thermcore
$109.99 $92.74
Sale
Therm C2400-0315 240V 4.0KW Hercules Flo Thru Heater
On Sale
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Therm Flo Thru Heater 4.0KW 240V 2" x 15", Hercules | C2400-0315

Therm Products
$106.99 $85.74
Sale
Balboa 58104 Heater Assembly 4.0KW EL2000 with Sensors
On Sale
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Balboa Heater Assembly 4.0KW EL2000 with Sensors | 58104

Balboa Water Group
$130.99 $110.83
Sale
Therm A2550-5350ET Heater 5.5KW 240V
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Thermcore Spa Heater 5.5KW 240V 2” Tee w/ Cord MJJ Plug | A2550-5350ET

Thermcore
$152.99 $129.83
Sale
Jacuzzi / Sundance 5.5KW C3229-2A Heater Assembly
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Jacuzzi Sundance 1" Tube 5.5KW Heater Assembly Laing Style | C3229-2A (6500-402)

Sundance® Spas
$175.99 $139.74
Sale
Therm C2550-1004 Flo-Thru ACC Heater 5.5KW 230V
On Sale
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Thermcore Flo-Thru ACC Heater 5.5KW 230V 12 x 2” | C2550-1004

Therm Products
$105.99 $88.94
Sale
Gecko 9920-100338 Heater Assembly 4KW 240V S-Class
On Sale
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Gecko Heater Assembly 4KW 240V S-Class 15” Flow Thru 2.25” Dia | 9920-100338

Gecko Alliance
$106.99 $89.74
Sale
HydroQuip 48-260032-R1 5.5KW 240V Heater Assembly
On Sale
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HydroQuip Heater Assembly 5.5KW, 240V Flo-Thru | 48-260032-R1

HydroQuip
$86.99 $72.83
Sale
WATERWAYS | 2" GASKET W/ORING RIB |  711-4030
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WATERWAYS | 2" GASKET WITH ORING RIB | 2 INCH | 711-4030

Waterway Plastics
$4.99 $2.93
Sale
Gecko 9920-101435 Heat.Wav 4KW 240V Heater
On Sale
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Gecko Heat.Wav 4KW 240V Heater w/ Sensors | 9920-101435

Gecko Alliance
$134.99 $109.83
Sale
Gecko C2400-0800ET-G Heater 4KW S-Class 2" Flo-Thru
On Sale
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Gecko Heater 4KW S-Class 2" Flo-Thru | C2400-0800ET-G (2-00-7001)

Gecko Alliance
$92.99 $77.93