Are you here to find the best spa heaters available on amazon? We then assure you to give our best support and advice. In today’s busy world it’s really hard to find the best product because before buying we always want to check multiple products and compare the worth. Even you might get confused after seeing so many spa heaters. So here we have brought the easiest solution for you. By considering the below list of the spa heaters, you can find the best spa heaters and save time on shopping.

We have done the research for you and found you the best deal. After multiple checking and analysing, our product specialist has suggested the VEVOR Electric Pool Heater 11KW 240V Swimming Pool Electric Heater Water Bath Heater Electric Digital fit for Thermostat, fit for Max 1981 Gallon Pool Equipment,Note:You Must Wire This Item Yourself for the best price. If you are looking for other options then we also have many other products on our list. You can check any of them.

Without any further delay, let’s go through this list of top rated spa heaters.

Our Top Picks!!

EDITOR’S CHOICE

BWG Careland Balboa M7 Hot Tub Spa Heater Assembly OEM w/Sensors 4.0kW @ 240V / 1.0kW @ 120V

BWG Careland Balboa M7 Hot Tub Spa Heater Assembly OEM w/Sensors 4.0kW @ 240V / 1.0kW @ 120V
9.7
BUDGET PICK

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub
9.5
TOP CHOICE

Raypak DGTL ELEC SPA HTR 5.5KW 240V 017121

Raypak DGTL ELEC SPA HTR 5.5KW 240V 017121
9.2

Best spa heaters

BWG Careland Balboa M7 Hot Tub Spa Heater Assembly OEM w/Sensors 4.0kW @ 240V / 1.0kW @ 120V

EDITORS CHOICE
BWG Careland Balboa M7 Hot Tub Spa Heater Assembly OEM w/Sensors 4.0kW @ 240V / 1.0kW @ 120V

Specifications:

BWG Careland Balboa M7 Hot Tub Spa Heater Assembly OEM w/Sensors 4.0kW @ 240V / 1.0kW @ 120V

$159.00  in stock
3 new from $159.00
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Genuine Balboa M7 Heater Assembly OEM # 58117
  • 4.0kW @ 240V -- 1.0kW @ 120V
  • 15" Stainless Steel Housing for long service life
  • Fits Balboa VS, EL, TS, GS, and BP Series control systems.
  • Dual sensors included, pre-installed

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub

BUDGET PICK
UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub

Specifications:

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub

$125.00  in stock
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Incoloy800 steel Thermostat element very safty and long life.very easty to install and replace, no need do inter adjustment.
  • Suitable bathtub &spa tub /hot tub 2KW /110V-120V,
  • Easy to set your desired termperature within 45 ° C, when temperature up to your setting temperature it will stop automatically. when temperature is dropped down, it will heat up water until your set temperature.
  • suitable for bathtub or hot tub with thermo cover, we suggest water capacity not more than 400 US gallon
  • with 1.5" outlet , min 0.35MPA pressure,suggest work with at least 0.25HP

Raypak DGTL ELEC SPA HTR 5.5KW 240V 017121

TOP CHOICE
Raypak DGTL ELEC SPA HTR 5.5KW 240V 017121

Specifications:

Raypak DGTL ELEC SPA HTR 5.5KW 240V 017121

$845.49  in stock
5 new from $840.14
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Titanium heating element
  • Solid state controls to eliminate noise

VEVOR Electric Pool Heater 11KW 240V Swimming Pool Electric Heater Water Bath Heater Electric Digital fit for Thermostat, fit for Max 1981 Gallon Pool Equipment,Note:You Must Wire This Item Yourself

VEVOR Electric Pool Heater 11KW 240V Swimming Pool Electric Heater Water Bath Heater Electric Digital fit for Thermostat, fit for Max 1981 Gallon Pool Equipment,Note:You Must Wire This Item Yourself

Specifications:

VEVOR Electric Pool Heater 11KW 240V Swimming Pool Electric Heater Water Bath Heater Electric Digital fit for Thermostat, fit for Max 1981 Gallon Pool Equipment,Note:You Must Wire This Item Yourself

$225.99
$208.68
 in stock
3 new from $208.68
Free shipping
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Superior Heater: Power: 11KW, Input Voltage: AC 240V 50/60HZ; Current: 50A; Product Size(L × W × H): 18.7 × 3.9 × 14 inch (475 × 100 × 355 mm). This swimming pool thermostat adopts advanced aluminum-plating zinc plates, effectively avoiding the hurt of exposure to the sun. The liner tank uses 304 stainless steel to feature durable and sturdy performance.
  • Adjustable Temperature: It is convenient for you to observe the change of temperature on the LCD at any time, and you can adjust the setting value easily through the touching screen. The electric SPA heater will automatically control the temperature ranged from 71.6 °F-122 °F (22 °C-50 °C). With the smart temperature sensor, the heating system is always under control and keeps non-fluctuation of the temperature.
  • Intelligent Self-test: The intelligent self-checking function not only can detect automatically to reach the set temperature, but also supervises the operational status of the heater in case of water absence. If the heater has the risk of high temperature, the heating system will stop working. This humanized design helps to keep you secure when you use the machine.
  • Ease To Assemble: The pool thermostat is not complicated to install. We provide you a detailed installation manual and 2 of 1.96inch (50mm) interfaces. Please distinguish the inlet pipe and the outlet pipe during your installation. It is recommended that you connect the water heater with a pump of at least 1.5HP (1.1KW) power.The diameter of the water pipe you use should be 1.5in(38mm) for a smooth flowing.
  • Wide Application: This high-quality electric pool water heater is commonly used indoors and outdoors, especially for swimming pools, SPA pools, and bathtubs. The digital heating system maintains a constant and comfortable temperature. For a better heating effect, you are suggested to use this water heater for a maximum of 1981 Gallon (7.5 CBM) pool equipment. Please do not use the heater in saltwater, acidic water, or alkaline water. Note: Cable wire without plug.

Smart Low-Flow Heater Replacement for Sundance Spa Hot Tub 5.5kW 6500-310/6500-301

Smart Low-Flow Heater Replacement for Sundance Spa Hot Tub 5.5kW 6500-310/6500-301

Specifications:

Smart Low-Flow Heater Replacement for Sundance Spa Hot Tub 5.5kW 6500-310/6500-301

$229.95  in stock
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • 5.5kW @ 240V Titanium element - Low Flo
  • Fits Sundance spas 1995 & newer, 650-850 & 880 series
  • Includes High-Limit Sensor & Switch
  • Indicator lights for easy diagnostics
  • Wire harness sets for universal installation

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Natural Gas Heater for Small Pools Up to 15,000 Gallons

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Natural Gas Heater for Small Pools Up to 15,000 Gallons

Specifications:

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Natural Gas Heater for Small Pools Up to 15,000 Gallons

$1,629.00  in stock
6 new from $1,629.00
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • GREAT FOR SMALLER POOLS: Natural gas heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
  • COMPACT AND EFFICIENT: Compact design with 82-percent efficiency as compared to larger pool heaters; Quiet operation makes sure not to impose on leisure pool time
  • THOUGHTFUL, USER-FRIENDLY DESIGN:: Rotating digital display allows for any installation rotation and is easy to read; User-friendly indicator lights allow for simple system operation and monitoring; Corrosion and UV-resistant housing deliver durable, lasting use
  • SAFETY FEATURES: Water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing; Certified for Low NOx emissions
  • SPECIFICATIONS: Voltage: 120/240V; Intake/discharge plumbing: 1.5-inch; 0.75-inch gas line up to 50 feet from source (not included); Dimensions (L x W x H): 31.5 x 21 x 23 inches; Weight: 80 pounds

Ecosmart Smart 11 Electric Spa Heater

Ecosmart Smart 11 Electric Spa Heater

Specifications:

Ecosmart Smart 11 Electric Spa Heater

$498.96  in stock
3 new from $498.96
1 used from $236.99
Free shipping
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Reliable, efficient, convenient, on demand heating
  • Can replace your existing spa heater
  • Save energy, save space, save water
  • Digital thermostat control
  • Activation flow 10gpm

Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Specifications:

Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

$2,749.00  in stock
5 new from $2,749.00
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • BEST FOR: In-ground pools and spas with a surface area up to 600 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 200,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub

XtremepowerUS Super Quiet 65,000BTU Heat Pump Titanium Swimming Pool Heat Pump & Spa Heater Digital LED Heat Up Pool

Specifications:

XtremepowerUS Super Quiet 65,000BTU Heat Pump Titanium Swimming Pool Heat Pump & Spa Heater Digital LED Heat Up Pool

$2,699.95  in stock
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • Profiled Fan Blade ensures efficient air flow and quiet operation
  • An efficiently heated pool or spa lets you control your swim season & provides luxurious comfort that fits your lifestyle
  • Intuitive and easy to read L.E.D. Control Panel provides digital temperature readout, diagnostics and electronic 'lock-out' of temperature set-point. Digital control accuracy saves time and money getting the pool to the perfect temperature
  • Heat pumps are designed with a front plumbing configuration for ease of installation and the inlet and outlet plumbing connections are oriented for convenient drop-in replacement
  • Durable injection molded UV-resistant body panels that are impervious to rust and deterioration ** Please leave a valid phone number for delivery schedule **

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons

Specifications:

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons

$1,739.00  in stock
3 new from $1,739.00
Amazon.com
as of March 31, 2022 1:14 pm

Features

  • GREAT FOR SMALLER POOLS: Propane heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
  • COMPACT AND EFFICIENT: Compact design with 82-percent efficiency as compared to larger pool heaters; Quiet operation makes sure not to impose on leisure pool time
  • THOUGHTFUL, USER-FRIENDLY DESIGN:: Rotating digital display allows for any installation rotation and is easy to read; User-friendly indicator lights allow for simple system operation and monitoring; Corrosion and UV-resistant housing deliver durable, lasting use
  • SAFETY FEATURES: Water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing; Certified for Low NOx emissions
  • SPECIFICATIONS: Voltage: 120/240V; Intake/discharge plumbing: 1.5-inch; Dimensions (L x W x H): 31.5 x 21 x 23 inches; Weight: 80 pounds