Product Description
Heater Assembly, Flo-Thru, Balboa, 5.5 KW , W/ SENSORS FOR 52531 SYSTEM
This replacement spa heater is compatible with a Balboa spa control system that has any of the following part numbers:
| 52531-01 | 52531-02 | 52531-03 | 52531-HC | 52531HC1 |
| 52531HC2 | 52531HC3 | 52638-01 | 52638-02 | 52641 |
| 52644 | 52644-01 | 52644-02 | 52644-03 | 52644-04 |
| 52903 | 52903-01 | 52903-02 | 52903-03 | 52917 |
| 52917-01 | 52917-02 | 52972 | 52972-01 | 52972-02 |
| 52972-03 | 53923 | 53923-01 | 53923-02 | 55064 |
| 55064-01 | 55064-02 | 55064-03 | 55064-04 |
