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Spa & Hot Tub Heater Assemblies and Manifolds

Dimension One Laing E10 Circulation Pump 01512-321

Dimension One
Original price $419.99 - Original price $419.99
Original price
$419.99
$419.99 - $419.99
Current price $419.99
In stock

Dimension One Laing E10 Circulation Pump 01512-321 Pump, Laing E10, 230V, w/Mini JJ Cord, Dimension One Brand: Dimension One Discharge Size: 3/4"...

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Original price $419.99 - Original price $419.99
Original price
$419.99
$419.99 - $419.99
Current price $419.99

Dimension One 3.4kW Low Flow Heater Assembly 26-C3548-1-7T-K

Dimension One
Original price $359.99 - Original price $359.99
Original price
$359.99
$359.99 - $359.99
Current price $359.99
In stock

Dimension One 3.4kW Low Flow Heater Assembly 26-C3548-1-7T-K Heater Assembly, Low Flow, Laing, Triple Bend, 2.1/3.4kW, D1, w/Manual Reset TCO, Dual...

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Original price $359.99 - Original price $359.99
Original price
$359.99
$359.99 - $359.99
Current price $359.99

Dimension One 3.4kW Low Flow Heater Assembly 26-C3548-1-7T-F

Dimension One
Original price $389.99 - Original price $389.99
Original price
$389.99
$389.99 - $389.99
Current price $389.99
In stock

Dimension One 3.4kW Low Flow Heater Assembly 26-C3548-1-7T-F Heater Assembly, Low Flow, Laing, Triple Bend, 2.1/3.4kW, D1, w/Manual Reset TCO &...

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Original price $389.99 - Original price $389.99
Original price
$389.99
$389.99 - $389.99
Current price $389.99

Dimension One 3.4kW Laing Square Back Low Flow Heater Assembly 26-C3552-1-7T-K

Dimension One
Original price $349.99 - Original price $349.99
Original price
$349.99
$349.99 - $349.99
Current price $349.99
In stock

Dimension One 3.4kW Laing Square Back Low Flow Heater 26-C3552-1-7T-K Heater Assembly, Low Flow, Laing, Square Back, 2.1/3.4kW, D1, w/Auto Reset TC...

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Original price $349.99 - Original price $349.99
Original price
$349.99
$349.99 - $349.99
Current price $349.99

Balboa 5.5kW Flo-Thru Heater Assembly 26-0535-7S-KP01

Balboa Water Group
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99
In stock

Heater Assembly, Replacement, 2.25"x15", 5.5kW, Balboa, w/PSI, Cover Plate Brand: Balboa Water Group Heater Length: 15" Wattage: 5.5kW Features: U...

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Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99

DM Vita Spas 4.0kW Flo-Thru Heater Assembly 26-0028-5S-K

Vita Spas
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99
In stock

Heater Assembly, Replacement, 2.25"x15", 4.0kW, Vita / DM Ind. Brand: Vita Spas Heater Length: 15" Wattage: 4.0kW Features: Used on Vita Spas, DM ...

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Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99

DM Vita Spas 3.0kW Flo-Thru Heater Assembly 26-1008-4S-K

Vita Spas
Original price $189.99 - Original price $189.99
Original price
$189.99
$189.99 - $189.99
Current price $189.99
In stock

Heater Assembly, Replacement, 3.0kW, 17.75", DM/Vita Spas, w/8" Leads, Brand: Vita Spas Heater Length: 17.75" Wattage: 3.0kW Features: Used on ...

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Original price $189.99 - Original price $189.99
Original price
$189.99
$189.99 - $189.99
Current price $189.99

Therm 15" Universal Rite-Fit 4.0kW Flo-Thru Heater Assembly 27-J0413-5S-K

Balboa Water Group
Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99
In stock

Heater Assembly, Replacement, 2.25"x15", 4.0kW, Balboa, PSI Tap & Cover Plate Specifications: Brand: Balboa Water Group / Therm Products Heate...

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Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99

Balboa 4.0kW Flo-Thru Heater Assembly 26-0535-5S-K

Balboa Water Group
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
In stock

Heater Assembly, Replacement, 2.25"x15", 4.0kW, Balboa, PSI Tap & Cover Plate Specifications: Brand: Balboa Water Group Heater Length: 15" Wat...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Cal Spa 5.5kW Flo-Thru Heater Assembly 26-0165-7S-K

Cal Spas
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
In stock

Cal Spa Replacement 5.5kW Flo-Thru Heater Assembly 26-0165-7S-K Sundance Spas has added “Heater ON” and “High Limit Tripped” lights to improve the ...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Gecko Water Pro Series 5.5kW Flo-Thru Heater Assembly 26-0071-K

HydroQuip
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99
In stock

Heater Assembly, Gecko Series, Water Pro, 2.25"x15", 5.5kW Brand: Gecko Heater Length: 15" Wattage: 5.5kW Features: Used with Gecko Systems Voltag...

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Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99

HydroQuip Universal 5.5kW Low Flow Vertical Rite-Fit Heater Kit 27-V310-7T-K

HydroQuip
Original price $329.99 - Original price $329.99
Original price
$329.99
$329.99 - $329.99
Current price $329.99
In stock

Heater Assembly, Low Flow, Universal Vertical Kit, 5.5kW, Canister Brand: Therm Products Wattage: 5.5kW Voltage: 230V GATSBY

Original price $329.99 - Original price $329.99
Original price
$329.99
$329.99 - $329.99
Current price $329.99

Balboa 5.5kW Flo-Thru Heater Assembly 26-58134-K

HydroQuip
Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99
In stock

Heater Assembly, Balboa Auxiliary, 5.5kW (Htr Only) Brand: Balboa Water Group Heater Length: 15" Wattage: 5.5kW Features: Used with Balboa Auxilia...

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Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99

Balboa M7 4.0kW Flo-Thru Heater Assembly for BP100 26-G7411

HydroQuip
Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00
In stock

Balboa BP100 4.0kW Flo-Thru Heater Assembly

Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Balboa BP100 4.0kW Remote Heater Assembly 26-58438 G4311

HydroQuip
Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price $229.99
In stock

Heater Assembly, Balboa Remote Heater- 4.0kW for BP100 (G4311) Brand: Balboa Water Group Heater Length: 15" Wattage: 4.0kW Features: Used on Balbo...

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Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price $229.99

Balboa VS100 4.0kW Flo-Thru Heater Assembly 26-58203-K

Balboa Water Group
Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price $229.99
In stock

Heater Assembly, Balboa, 4.0kW 240V / 1.0kW 120V, 1.5"x10", VS100 Specifications: Brand: Balboa Water Group Heater Length: 10" Wattage: 4.0kW Feat...

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Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price $229.99

Balboa 4.0kW Flo-Thru Heater Assembly, w/PSI & Cover Plate, 26-58001-K

Balboa Water Group
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
In stock

Heater Assembly, Balboa, 4.0kW, 2.25"x15", w/PSI & Cover Plate Brand: Balboa Water Group Heater Length: 15" Wattage: 4.0kW Features: Used ...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Balboa 3.0kW M7 Flo-Thru Heater Assembly, Dual Sensor, No Studs, 26-58061-K

Balboa Water Group
Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99
In stock

Heater Assembly, Dual Sensor, 3.0kW, 2.25"x15", No Studs Brand: Balboa Water Group Heater Length: 15" Wattage: 3.0kW Features: Dual Sensors (M7...

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Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99

Balboa 3.0kW M7 Flo-Thru Titanium Heater Assembly, Dual Sensor, 2 Studs, 26-55626-K

Balboa Water Group
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
In stock

Heater Assembly, Dual Sensor, 3.0kW, Titanium, 2.25"x15", 2 Studs Brand: Balboa Water Group Heater Length: 15" Wattage: 3.0kW Features: Dual Se...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Balboa 2.0kW M7 Flo-Thru Heater Assembly, Dual Sensor, 2 Studs, 26-58145-K

Balboa Water Group
Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99
In stock

Heater Assembly, Dual Sensor, 2.0kW, 2.25"x15", 2 Studs Brand: Balboa Water Group Heater Length: 15" Wattage: 2.0kW Features: Dual Sensors (M7) Vo...

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Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99

Balboa 2.0kW M7 Flo-Thru Heater Assembly, Dual Sensor, No Studs, 26-58063-K

Balboa Water Group
Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99
In stock

Heater Assembly, Dual Sensor, 2.0kW, 2.25"x15", No Studs Brand: Balboa Water Group Heater Length: 15" Wattage: 2.0kW Features: Dual Sensors (M7...

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Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99

Balboa Genuine M7 4.0kW Flo-Thru Heater Assembly G7415

Balboa Water Group
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
In stock

Heater Assembly, Replacement, 2.25"x15", 4.0kW, Balboa, w/PSI, Cover Plate, M7- 4.0kW- (no installation studs) Brand: Balboa Water Group Heater Le...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Balboa Genuine 4.0kW VS100 Remote Heater Assembly (G7417)

Balboa Water Group
Original price $249.99 - Original price $249.99
Original price
$249.99
$249.99 - $249.99
Current price $249.99
In stock

Balboa Genuine 4.0kW VS100 Heater Assembly (G7417) Brand: Balboa Water Group HEATER REMOTE GENUINE BALBOA 4.0KW VS100

Original price $249.99 - Original price $249.99
Original price
$249.99
$249.99 - $249.99
Current price $249.99

Balboa Genuine 4.0kW M7 Dual Sensor Flo-Thru Heater Assembly + Pressure Switch G7418, 26-0809-5S-KSP

Balboa Water Group
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99
In stock

Heater Assembly, Replacement, 2.25" x 15", 4.0kW, Balboa, w/Sensor & PSI Brand: Balboa Water Group Heater Length: 15" Wattage: 4.0kW Features:...

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Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99

Balboa BP Series Plug n Click Heater Harness 30-25696-K

Balboa Water Group
Original price $34.99 - Original price $34.99
Original price
$34.99
$34.99 - $34.99
Current price $34.99
In stock

Cable, Balboa, BP Plug n Click Heater Harness, 4" Female Plug, Molex Adapter

Original price $34.99 - Original price $34.99
Original price
$34.99
$34.99 - $34.99
Current price $34.99

Balboa 4kW 230V Flow Thru Heater Assembly with Pressure Switch Sensor G7416

Balboa Water Group
Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99
In stock

Balboa G7416 Flow Thru 4.0kW 230V Heater Assembly with Pressure Switch Sensor The Balboa Flow Thru 4.0kW 230V Heater Assembly with Pressure Switch ...

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Original price $159.99 - Original price $159.99
Original price
$159.99
$159.99 - $159.99
Current price $159.99

Balboa Water Group 240V Transformer 6 Pin BB302702

Balboa Water Group
Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99
In stock

This is a Balboa Water Group 240 Volt Transformer with 6 pins designed for the Sundance Spa systems. This transformer is part of the Balboa 600 Se...

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Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99

Keep your spa warm and inviting all year long with our hot tub heater assembly collection. A reliable spa heater makes it easy to enjoy the perfect water temperature every time, so you can relax without worry. These heater assemblies are built for durability and simple installation, helping your spa run smoothly season after season.

Whether you’re upgrading an old unit or replacing a part, our hot tub heater assemblies give you peace of mind and total control over your spa’s warmth. Plus, pairing your heater with the right spa controller can make managing your hot tub even easier.

Browse our selection and find the perfect spa heater to keep your hot tub cozy and inviting. With the right setup, all that’s left is to sink in, unwind and let your spa do the work.