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Jacuzzi Whirlpool Hot Tub Heater Repair Parts

1994-2000Z-112/Pinnacle/Late Platinum ModelsHeater Repair Parts
Most common spa heater from 1994-2001
For Use on F106-108, H136, H276, and H716 Series Control Systems.
F802000; 2600-050
5.5kw Heater; 15"
Comes With Pressure Switch


Equal To:
F802000; 2600-050
5.5kw Heater; 15"
Equal to Quality and Performance of OEM

Heater Below Used On R574 and R576 Control Boxes

Comes As Pictured with Pressure Switch and OH Sensor

S943000; 2000-688

4.0kw; 15"

We recommend the 5.5kw directly below. The 4.0kw heaters are less available and therefore pricier. The 5.5kw will work fine in most applications.



S944000; 2000-684
5.5kw; 15"


Heaters For the 2002+ "J Series" Spas

Heater Education

How They Work: Heaters basically resist current flow and doing so heat. Most common rating of heaters is 5.5k although some models have 4.0kw. A 5.5kw heater operating at 230vac you should see a 5-6 degree per hour water temperature increase. 

How do they Fail? The "official" statement from those who make heaters is that if it doesn't fail instantly, the only reason afterward is enduser water quality. We did service on one brand that only warrantee their heaters up to the first use. After that, nothing. Again, the belief is that enduser water quality or lack thereof causes heaters to fail. We no longer service those spas.

But in the field, its hard to determine. Yes, likely the most common reason the heater fails is water quality but there is only so much an enduser can do. Some ask why don't they make elements that last but my answer has always been the same; would you pay 3x what you pay now for a "better quality" heater? In reality, most of us would not. So we try to maintain heaters and see what happens. I have seen the same style heater last less than a year and more then 10. So maybe there is something to the industry's blame.

We now offer "treated" heater elements. They have a coating to extend their life.

In most cases, you can see corrosion on the element and that explains the failure. BUT.. elements can have pinholes and that pinhole will leak current and the gfci senses and POP. So I have seen heaters over the years that looked fine yet the element somewhere is shorting out and the GFCI pops. Solution is replacement.


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