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Spa Heater Problems

If your spa heater has stopped working, the most likely cause is a problem with either your spa heater element or your spa controller (the heater is usually built into the spa controller)

If your original heater housing needs replacement, check out our SpaGuts Universal Heater Assembly.

Checking Your Spa Heater Element

First, open up the heater and take a look at the heater element. If it has a broken or burnt-looking spot on it or in any other way doesn't look pretty similar to a new one, you probably just need a new heater element. Damaged heater elements are the most common spa problem. The damage comes from improper water chemistry. Fortunately, this is a relatively simple repair, and our universal spa heater element fits most spa heaters.

Checking Your Spa Controller

Unfortunately, if your heater element looks okay, you have to be an electrician to diagnose the problem, which is either going to be in the heater unit or in the heater controls. We can't diagnose it for you, but we can tell you that it will probably cost you, depending on where you live, around $60 to have someone diagnose it, and around $150 to repair it - if it's repairable. For not much more you can buy and install a brand-new Spa Guts spa controller, but if your spa equipment is more than 8 years old, you should consider replacing the entire spa pack.

Spa controllers typically last about 10 years and comprise most of the cost of a spa pack. A whole new spa pack is typically only $595 to $800, so you need to get at least a couple years' more life out of your old spa pump and blower to make it worth fixing the old controller. If your spa pack is over 8 years old, that's a bad bet. We recommend buying a whole new spa pack so you can enjoy years of trouble-free spa use. More about new spa packs.

Spa Guts Spa Heaters

Like most spa heater manufacturers, Spa Guts spa heaters are built into the spa controller. That's because, other than the easily replacable spa heater element, there's not much that can go wrong with a spa heater that is not caused by a problem with the spa controller. With no more than a few adjustments of your hot tub pack's plumbing, our replacement spa controller/heaters will fit your spa.

We carry both pneumatic (air-control) and electronic (digital) spa controller/heaters.

Most older and budget spas came originally equipped with pneumatic spa controllers. If you're replacing the controller and having to get out of the tub and open up the equipment access panel to adjust the spa's temperature really bothers you, now is the time to switch to a more convenient electronic spa controller.

Although electronic spa controllers are more convenient, and they cost only slightly more than our pneumatic spa controllers, for most people the pneumatic spa controller is the better choice. Pneumatic spa controllers are simpler and less prone to problems. Electronic spa controllers are run by electronics. Moisture and temperature extremes are bad for electronics. And moisture and temperature extremes are what spas are all about. So, if you do choose the convenience of an electronic spa controllers, avoid extreme weather exposure.

Select a spa heater:

Heaters (143 items)

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143 total items found, showing 20. Please Narrow your search by Sub Category.
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Flo-Thru Heater Element, Universal

SpaGuts Universal Flo-Thru Heater Element is available in 4.0 or 5.5KW 220V, with selection for Incoloy (Non-Coated), or Titanium. Assembled in USA! An order includes ONE heater element, TWO  ... 
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SpaGuts $26.89
configure In Stock
 
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Hydro Quip Heater Element, Flo-Thru, Universal, 5.5KW 220V, 12-0100-K

Hydro Quip Heater Element, Flo-Thru, Universal, Incoloy, 5.5KW at 220V, or 1.5KW at 110V. Hydro Quip part number 12-0100-K. Includes hardware Kit (heater jam nuts, heater terminal nuts, and heater  ... 
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Hydro Quip $49.99
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Flo-Thru Heater Element for Export Application, Universal, 3.0KW, 220V

Replacement 3.0KW 220V Incoloy Universal Flo-thru Heater Element. Normally used for Export 50Hz Spa Controllers. Assembled in USA! An order includes ONE heater element, TWO heater terminal  ... 
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SpaGuts $29.98
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Flo-Thru Heater Element for Export Application, 2.0KW, 220V

Replacement 2.0KW 220V Incoloy Flo-thru Heater Element for Export Controllers. Fits any spa controllers or spa packs that takes a universal hi-flo element including products made by Balboa, Gecko,  ... 
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Therm Product $29.98
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Hydro Quip Heater Element, Short Flo-Thru, 7 in, 5.5KW 220V, 12-0100D-K

Hydro Quip Heater Element, Short Flo-Thru, 7-inch, Incoloy, 5.5KW at 220V, or 1.5KW at 110V. Hydro Quip part number 12-0100D-K. Includes harware Kit (heater jam nuts, heater terminal nuts,  ... 
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Hydro Quip $44.95
In Stock
 
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Flo-Thru Heater Element, 3.6KW, 220V, 7-inch, 25-4129 (SP)

Replacement 3.6KW 220V 7-Inch Incoloy Flo-thru Heater Element. OEM part number 25-4129. SpaGuts P/N: 25-250-4129 Heater Elements that we provide are OEM Factory Replacement Parts and made  ... 
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Therm Products $94.95
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Flo-Thru Heater Element, Low Profile Triple Bend, Standard, Incoloy, 5.5KW, 25-40341L

Replacement Flo-Thru Heater Element, Triple Bend, Low Profile, with Standard Bulkhead, Incoloy Metal. Outputs 5.5KW on 220V, and 1.5KW on 110V. OEM part number 25-40341L. SpaGuts P/N:  ... 
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Therm Products $44.95
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Flo-Thru Heater Element, Triple Bend, Centered Bulkhead, Incoloy, 5.5KW

Replacement Flo-Thru Heater Element, Triple Bend, with Centered Bulkhead, Incoloy Metal. Outputs 5.5KW on 220V, and 1.5KW on 110V. OEM part number 25-41341L. SpaGuts P/N:  ... 
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Therm Product $47.95
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Flo-Thru Heater Element, Triple Bend Centered Bulkhead, Incoloy, 4.0KW 220V

Replacement Flo-Thru Heater Element, Triple Bend, with Centered Bulkhead, Incoloy Metal. Rated 4.0KW 220V. OEM part numbers 25-41411L and 12-0502-K. SpaGuts P/N: 25-250-1411 This heater  ... 
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Therm Product $54.95
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Heating Element Kit, 1.5KW 110V, with 4 inch x 4 inch plate, Large Len Gordon Plug (SP)

Replacement Heating Element. Rated 1.5KW 110V, with 4 inch x 4 inch plate, and JJ Style Large Len Gordon Plug. OEM part number 25-1464-430BC. NOTE that the Gasket is No Longer  ... 
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Therm Products $179.95
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Heating Element Kit, 1.5KW 110V, with 4-inch x 4-inch plate, Nema Plug, and Gasket (SP)

Replacement Heating Element Kit. Rated 1.5KW 110V, with 4-inch x 4-inch plate, Nema Plug, and Gasket. OEM part number 25-1464-430AC. SpaGuts P/N: 25-200-4431 This type of heater is  ... 
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Therm Products $164.95
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Flo-Thru Heater Element, Lo-Flo, Triple Bend, Titanium, 5.5KW, SE323-04-423454

Replacement Flo-Thru Heater Element, Lo-Flo, Triple Bend, Titanium Metal. Rated 5.5KW on 220V, and 1.5KW on 110V. OEM part number SE323-04-423454. SpaGuts P/N: 25-250-3454 This heater  ... 
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Therm Products $109.95
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SpaGuts OEM Flo-Thru Heater Assy Replacement, CS Series, 5.5KW 220V

This is our SpaGuts OEM Flo-Thru Heater Assembly that fits only SpaGuts and Hydro-Quip brand CS Series spa controllers. The OEM heater assembly is only available with 5.5kw 220V Incoloy heater  ... 
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SpaGuts $95.99
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SpaGuts Universal Flo-Thru Heater Assembly

SpaGuts Universal Flo-Thru Heater Assembly works with many spa controllers that has a High Flow Flo-Thru Heater attached just like the picture shown. Standard 15 inches long x 2 inches diameter  ... 
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SpaGuts $97.95
configure In Stock
 
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SpaGuts Detached 5.5KW Flo-Thru Heater Assembly Replacement with Cords, 2.0-inch

Replacement 5.5KW Flo-Thru Heater Assembly for SpaGuts brand Electronic Controllers with Slide/Remote Heater model. The heater is pre-assembled with a 5.5KW Incoloy Element, Pressure Switch,  ... 
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SpaGuts $162.95
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SpaGuts Heater ASSY, Canister, Low-Flo, 5.5KW 220V, 5ft Cord, 3/ 4-inch

SpaGuts Canister Low-Flo Heater Assembly, 5.5KW 220V, 5ft Cord with JJ Mini Plug, 3/4-inch barbed fittings. Compatible with SpaGuts brand CS-Series Electronic Controllers with Low-Flo Canister  ... 
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SpaGuts $284.95
Out Of Stock
 
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SpaGuts Heater Assembly, Tubular, Low-Flo, 5.5KW 220V, 5ft Cord, 3/ 4-inch

Replacement 5.5KW 220V Low-Flo Tubular Heater Assembly for SpaGuts brand Electronic Controllers with Low-Flo Tubular Heater model. The heater is pre-assembled with a Stainless Steel Housing, a  ... 
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SpaGuts $249.95
Out Of Stock
 
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Balboa OEM VS M7 Heater ASSY with Sensors, 4.0KW, 58104

Balboa brand OEM VS M7 Heater Assembly with Dual Sensors. This is the "Original" heater by Balboa. OEM part number 58104. SpaGuts P/N: 25-175-8104 Heater Dimensions (Approx): 15" L x 2"  ... 
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Balboa $120.95
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Balboa OEM VS M7 Heater ASSY with Sensors, 5.5KW, 58083

Balboa brand OEM VS M7 Heater Assembly with Dual Sensors. This is the "Original" heater by Balboa. OEM part number 58083. SpaGuts P/N: 25-175-1010 Heater Dimensions are approximately  ... 
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Balboa $120.95
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Replacement Heater ASSY, by Therm Products, for the 5.5KW Balboa VS M7 w/ Sensors, 26-0807-7S-KS

Replacement Heater Assembly, 5.5KW, by Therm Products, for Balboa's VS M7 model controllers. Part Numbers C2550-0807-TPS and 26-0807-7S-KS. SpaGuts P/N: 25-250-0807 Heater Dimensions are  ... 
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Therm Products $112.95
In Stock
 

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