Top 10 Spa Heaters
for December 2021

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1
9.6
SCORE
Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical Systems

Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical Systems

by Pentair
What We like

Measures 6-inch length by 6-inch height by 6-inch width

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Product Features

  • Also fits Pentair Sta-Rite Max-E-Therm NA and LP-Series pool and spa heater electrical systems
  • Fits Pentair MasterTemp NA and LP Series Pool and Spa Heater Electrical Systems

Also fits Pentair sta-rite max-e-therm na and lp-series pool and spa heater electrical systems Fits Pentair mastertemp na and lp series pool and spa heater electrical systems

2
9.5
SCORE
Low-Flow Titanium Heater w/Sensors for Hot Spring/Watkins/Tiger River/Limelight Hot Tub Spa No-Fault 6kW

LA Low-Flow Titanium Heater w/Sensors for Hot Spring/Watkins/Tiger River/Limelight Hot Tub Spa No-Fault 6kW

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3
9.2
SCORE
VEVOR Electric Pool Heater 11KW 220V Swimming Pool Electric Heater SPA Heater Electric Assistant Digital fit for Thermostat,Note:You Must Wire This Item Yourself

VEVOR Electric Pool Heater 11KW 220V Swimming Pool Electric Heater SPA Heater Electric Assistant Digital fit for Thermostat

Note:You Must Wire This Item Yourself

by VEVOR
What We like

VERSATILE USAGE PLACE- The swimming pool water heater conducts automatic heating with a stable temperature to create a more comfortable environment. It is specially designed for a hot tub, massage pool, and hot spring to heat and keep warm.Capacity:Less than 7.5CBM(1981 gallon);Suitable For: Max 7.5CBM (1981 gallon) Hot Tub & Swimming Pool Equipment.

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Product Features

  • INTELLIGENT SELF-CHECKING SYSTEM- The intelligent self-diagnose function can detect automatically to reach the set temperature. Temperature setting range: 2250 or 72122; The power supply of the heater will cut off to protect the pool heater from unexpected situations.
  • HIGH-QUALITY POOL HEATER- Power: 11 KW; Input Voltage: AC 220-240V 50/60Hz; Current: 50A; Product Size: 18.7 x 14 x 3.9"; The swimming pool heater adopts an aluminum-coated housing plate, using stainless steel heating tube for anti-corrosion. It features fast heat exchange efficiency and good anti-rust performance.
  • SAFE & EASY TO OPERATE- The electric heat pump pool heater is not complicated to operate the whole installation method. The product is easy and quick to control by tripping the power switch automatically with high security. Note:You must wire this item yourself.
  • FLOW TEMPERATURE SENSOR- The electric pool heater adopts the advanced control system. The flow-temperature sensor is always under the control of software, accurately and timely monitoring the temperature status of the whole heating system.

Safe & easy to operate- the electric heat pump pool heater is not complicated to operate the whole installation method. the product is easy and quick to control by tripping the power switch automatically with high security. note:you must wire this item yourself. Intelligent self-checking system- the intelligent self-diagnose function can detect automatically to reach the set temperature. temperature setting range: 2250 or 72122; the power supply of the heater will cut off to protect the pool heater from unexpected situations. High-quality pool heater- power: 11 kw; input voltage: ac 220-240v 50/60hz; current: 50a; product size: 18.7 x 14 x 3.9"; the swimming pool heater adopts an aluminum-coated housing plate, using stainless steel heating tube for anti-corrosion. it features fast heat exchange efficiency and good anti-rust performance. Flow temperature sensor- the electric pool heater adopts the advanced control system. the flow-temperature sensor is always under the control of software, accurately and timely monitoring the temperature status of the whole heating system.

4
9.2
SCORE
ZMM 240V 11KW Electric Pool Water Heater For Above Ground Inground Pool Hot Tub.,Upgrade Portable SPA Water Bath Heater Thermostat Swimming Pool Thermostat Heater Pump

ZMM 240V 11KW Electric Pool Water Heater For Above Ground Inground Pool Hot Tub.

Upgrade Portable SPA Water Bath Heater Thermostat Swimming Pool Thermostat Heater Pump

by ZMM
What We like

Note:It is 240V,only made for US.1.Automatic HeatingThis thermostat is designed specifically for the hot tub, adopted Flow Temperature Sensor TechnologyThe sensor is always under the control of the single-chip microcomputer to accurately and timely monitor the temperature status of the entire heating system and the flow.the water temperature bath maintained at 22-50 degrees Celsius, give your Jacuzzi to create a more comfortable environment

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Product Features

  • 2.Intelligent Self-checking SystemComprehensively monitor the operating status of the system, and quickly make appropriate judgments and displays, thereby avoiding poor water flow, dry fuel and other failures in the absence of water, and more convenient for the user or maintenance personnel to judge and maintain the fault.
  • 3.High QuanlityThe heating thermostat liner material is 316# stainless steel and the electric heating tube provided by Duan Baker Company which has good corrosion resistance (chlorine corrosion).
  • 4.Multiple ProtectionsThe Pool Heater has multiple protections, safety and reliability - over-current, ultra-high temperature, short circuit to the power supply line, and water flow protection.
  • 5.ST Series Pool Heaters special used for small pool less than 7CBM,Less Than 2000 Gallon massage pool and hot spring to heat and keep warm; Meanwhile, can be a assistant for heat pump in heating.This product adopts latest constant temperature controller- -temperature sensor replaces traditional magnetic flow switch,it improves greatly of trouble free in working time, adaptability of water environment and stability.

5.st series pool heaters special used for small pool less than 7cbm,less than 2000 gallon massage pool and hot spring to heat and keep warm; meanwhile, can be a assistant for heat pump in heating.this product adopts latest constant temperature controller- -temperature sensor replaces traditional magnetic flow switch,it improves greatly of trouble free in working time, adaptability of water environment and stability. 4.multiple protectionsthe pool heater has multiple protections, safety and reliability - over-current, ultra-high temperature, short circuit to the power supply line, and water flow protection. 3.high quanlitythe heating thermostat liner material is 316# stainless steel and the electric heating tube provided by duan baker company which has good corrosion resistance (chlorine corrosion). 2.intelligent self-checking systemcomprehensively monitor the operating status of the system, and quickly make appropriate judgments and displays, thereby avoiding poor water flow, dry fuel and other failures in the absence of water, and more convenient for the user or maintenance personnel to judge and maintain the fault.

5
8.7
SCORE
Raypak 017122 ELSR00111T1 11 kW 240V 37,534 BTU Electric Spa Heater

Raypak 017122 ELSR00111T1 11 kW 240V 37

534 BTU Electric Spa Heater

by Raypak
What We like

Solid state controls to eliminate noise

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Product Features

  • Titanium heating element

Titanium heating element

6
8.7
SCORE
Hot Spring Tiger River spas, Item 73790, PDR Titanium Heater, 1.5kW/6kW (OEM Factory Upgrade Replacement)

Watkins Hot Spring Tiger River spas

Item 73790, PDR Titanium Heater, 1.5kW/6kW (OEM Factory Upgrade Replacement)

by Watkins Manufacturing
What We like

Note#1: This PDR (power-down-reset) heater eliminates the manual reset button, which means that you never need to remove the equipment door to reset the heater. Simply power down the spa for 30 seconds by either tripping off the GFCI breakers in the sub panel (on 230volt models) or unplugging the spa (115volt models).

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Product Features

  • For 4kW, 230 volt applications see the 73791 PDR.
  • Item 73790. This heater replaces all heaters in all 1995-now Hot Spring, Tiger River and Limelight hot tubs which includes the No Fault 6000 heaters, Watkins No Fault 5500 and the No-Fault 1500 cartridge style heater.
  • Factory approved and warrantied for all 115 volt 1.5kW and 230 volt - 6kW installations for all 1995-now Hot Spring and Tiger River spa models.

For 4kw, 230 volt applications see the 73791 pdr. Factory approved and warrantied for all 115 volt 1.5kw and 230 volt - 6kw installations for all 1995-now hot spring and tiger river spa models. Item 73790. this heater replaces all heaters in all 1995-now hot spring, tiger river and limelight hot tubs which includes the no fault 6000 heaters, watkins no fault 5500 and the no-fault 1500 cartridge style heater.

7
8.3
SCORE
Sundance Spas 6500-310 Heater Assembly 5.5KW 60HZ Smart Heater

Sundance Spas 6500-310 Heater Assembly 5.5KW 60HZ Smart Heater

by Sundance Spas
What We like

Sundance Spa Heater Assembly

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8
7.2
SCORE
Raypak 017122 ELSR00111T1 11 kW 240V 37,534 BTU Electric Spa Heater

Raypak 017122 ELSR00111T1 11 kW 240V 37

534 BTU Electric Spa Heater

by Raypak, Inc.
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9
7.2
SCORE
Ecosmart Smart 11 Electric Spa Heater

Ecosmart Smart 11 Electric Spa Heater

by Ecosmart Water Heaters
What We like

Reliable, efficient, convenient, on demand heating

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Product Features

  • Save energy, save space, save water
  • Activation flow 10gpm
  • Digital thermostat control
  • Can replace your existing spa heater

Can replace your existing spa heater Digital thermostat control Activation flow 10gpm Save energy, save space, save water

10
7.2
SCORE
Ecosmart 5.5 Smart Electric Spa Heater

Ecosmart 5.5 Smart Electric Spa Heater

by Ecosmart Water Heaters
What We like

Reliable, efficient, convenient, on demand heating

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Product Features

  • Activation flow 10gpm
  • Save energy, save space, save water
  • Can replace your existing spa heater
  • Digital thermostat control

Save energy, save space, save water Digital thermostat control Can replace your existing spa heater Activation flow 10gpm

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