![Balboa Flo-Thru Spa Heater M7 4.0 kW [2" x 15"] [240v] (58031) (G7415) Spa Parts: Spa Heaters (Balboa Spa Heaters) 46-138-1340_XL_0d99ca15-6a33-4859-a1b7-81fcbf5554ba](http://bathparts.com/cdn/shop/products/46-138-1340_XL_0d99ca15-6a33-4859-a1b7-81fcbf5554ba.jpg?v=1762188068&width=1600)
![Balboa Flo-Thru Spa Heater M7 4.0 kW [2" x 15"] [240v] (58031) (G7415) Spa Parts: Spa Heaters (Balboa Spa Heaters) 46-138-1340_XL_0d99ca15-6a33-4859-a1b7-81fcbf5554ba](http://bathparts.com/cdn/shop/products/46-138-1340_XL_0d99ca15-6a33-4859-a1b7-81fcbf5554ba_1024x.jpg?v=1762188068)
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| Housing Configuration | Straight |
| Heater Length | 15" |
| Lead End Terminal Location | 4-1/4" |
| Kilowatts | 1.0kW, 4.0kW |
| Voltage | 115v, 230v |
| Mounting Stud Type | None |
| Heater Size | 2" |
| Heater Application | Balboa Water Group |