The 7 best hot tub heater elements of 2025

【𝐄𝐚𝐬𝐲 𝐭𝐨 𝐢𝐧𝐬𝐭𝐚𝐥𝐥】Hot tub heating elements are simple in construction and easy to install, as well as being well-maintained to maintain performance and longevity through routine cleaning and inspection. Heater shell must be Flo-Thru metal tubing.

【𝐇𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐦𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬】The heating element is made of titanium with excellent corrosion resistance, suitable for use in the environment of hard water or chemical substances, and can work stably for a long time.

【𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐟 𝐞𝐥𝐞𝐦𝐞𝐧𝐭𝐬】Hot tub heating elements used for too long will damage the life of the hot tub, timely replacement of hot tub elements can better protect the life of the hot tub.

【𝐒𝐚𝐟𝐞𝐭𝐲】5.5kw 240V hot tub heating element is designed to meet the relevant safety standards, with overload protection and leakage protection, which can ensure the safety and reliability in the process of use.

【𝐀𝐟𝐭𝐞𝐫-𝐬𝐚𝐥𝐞】If you are not satisfied with our products, please contact us, we will solve your problems in time, so that you have no worries.

COMPATIBLE WITH - Balboa, Gecko, Spa Builders, Hydro'Quip, ACC, Watkins, Dimension'One Acura'Spas, Len'Garden, Coleman and many others. The heater housing must be a Flo-Thru metal tube.

UNIVERSAL DESIGN - For hot tub heater element can be used with a wide range of spa electric heater or swimming pool, etc. Package comes with mounting hardware (2x terminal nuts 2x o-rings 2x jam nuts) so that we can install it safely and easily.

EXCELLENT QUALITY - This balboa spa heater element was constructed of high quality material - Titanium. We recommend that the customer keep a heating element in case of a fail and this guarantees the hot water service to continue.

ENERGY & SAFETY - 5.5Kw 240V heating element for hot tub can quickly heat up your pool or spa and you can enjoy warm water even during colder days. And this hot tub heater replacement is equipped with a high-limit thermostat and it will automatically stops heating when the temperature exceeds the limit.

SINCERE SERVICE - If you have any questions about our 5.5kw hot tub heater element replacement, please contact us, including pre-sale and post-sale questions, we will reply the message as soon as possible.

Easy Install:Easily install the heating element in a short period of time. Just screw it on and it will work! Note: The heater shell must be a Flo-Thru metal tube

Function:hot tub heater replacement can repair heating problems in the hot tub, with the ability to maintain a constant temperature and quickly heat the required area

Excellent Choice:The 5.5kw 240v hot tub heating element can quickly heat your hot tub pool or spa, allowing you to better enjoy bathing, resist cold troubles, and enjoy the warmth of life

High Quality:The balboa spa heater element are made of titanium steel, which has good corrosion resistance and high thermal strength. And it is very durable

Help:If you are not satisfied with the product, we deeply apologize. Please contact us as soon as possible so that we can quickly resolve the issue. Customer satisfaction is our unremitting pursuit

Stainless Steel Heater Housing

5.5kW Incoloy Flo-Thru Heater Element

Balboa OEM M7 Dual Sensors

Pair of 2" Heater Split Nuts

Pair of 2" Heater Tailpieces with gaskets

Easy Install:Easily install the heating element in a short period of time. Just screw it on and it will work! Note: The heater shell must be a Flo-Thru metal tube

Function:hot tub heater replacement can repair heating problems in the hot tub, with the ability to maintain a constant temperature and quickly heat the required area

Excellent Choice:The 4kw 240v hot tub heating element can quickly heat your hot tub pool or spa, allowing you to better enjoy bathing, resist cold troubles, and enjoy the warmth of life

High Quality:The balboa spa heater element are made of titanium steel, which has good corrosion resistance and high thermal strength. And it is very durable

Help:If you are not satisfied with the product, we deeply apologize. Please contact us as soon as possible so that we can quickly resolve the issue. Customer satisfaction is our unremitting pursuit

【Compatibility】4KW 240V universal heating element fits for Balboa, Gecko, Spa Builders, Hydro Quip, ACC, Acura Spas, Len Gorden, Coleman, Watkins, Dimension One, and many others. Replacement for Flo-Thru heating element. Replaces 58104 (4kw）12-0100-K (5.5kW), 12-0101-K (4.5kW), 12-0102-K (4.0kW), 6-flo, 4-FLO 25-4030, 20-3440, 25-4044.

【Product Specification】Heater element parameter is 4kw/240v, high power output can effectively reduce the time required to heat a swimming pool or spa center, ensuring you always have access to hot water when needed. Tips: Never allow the heater to operate with air in the system! lt takes only 40 seconds total time running in air to dry-fire and destroy a heating element.

【High Quality Material】Our titanium heating element is made of high-quality titanium tubing with superb corrosion resistance, which can maintain a longer service life in wet or corrosive environments.

【Important Components】Regular replacement of hot tub spa heater elements will help extend the life of the spa electric heaters and eliminate low water temperatures, slow heating and other problems caused by damaged heater element.

【 How to Install】The hot tub heating element is designed for easy installation. Simply disconnect the power supply, unscrew the retaining nut with a spanner, remove the old heater element and replace it with a new one. Before purchasing, please confirm that the heater is the correct heater replacement part number for your spa's electric heaters.

Replacement Heater Element : Replacement for Hot Tub Spa Heating, 5.5KW 240V 10Titanium Flo-Thru Universal HeatingElement with Mounting Hardware, Fits standard 2" diameter hot tub heater manifold, Compatible Models: 25-4034BI(Therm), C3357-1(Truheat), 47-555-2070, TEB90015K-5.5, AC-6 and 2-05-0025

Compatible: Replacement heater element compatible with any swim spa controllers or spa packs that takes a universal hi-flo element. Compatible with - Balboa, Gecko, Spa Builders, Hydro'Quip, ACC, Watkins, Dimension'One Acura'Spas, Len'Garden, Coleman and many others. The heater housing must be a Flo-Thru metal tube.

Easy to Install : For hot tub heater element can be used with a wide range of spa electric heater or swimming pool, etc, Replaced burned-out heater element in spa. Package comes with mounting hardware (2x Terminal Nuts, 2x O-Rings, 2x Jam Nuts). Installation was quite easyno leaks with the standard o rings provided, The heating element is designed with safetyfeatures to prevent overheating and ensureits safe and reliable operation.

High Quality : This balboa spa heater element was constructed of high quality material Titanium, Good Corrosion Resistance, We recommend that the customer keep a heating element in case of a fail and this guarantees the hot water service to continue.

Enjoy the Good Life : 5.5Kw 240V heating element for hot tub can quickly heat up your pool or spa, And this hot tub heater replacement is equipped with a high-limit thermostat and it will automatically stops heating when the temperature exceeds the limit, Provide you with a safe and reliable environment