Balboa 4.0 KW (4000 watt) 15" flo-thru heater with 2" unions. This popular heater is found on older legacy models of Balboa spa packs and controls such as the Lite Leader and early M2 and M3 systems (pre M7). Includes the pressure switch with guard. Also has the well for the hi-limit sensor. These heaters mount to your control box with straps rather than threaded studs.
This heater doesn't include union gaskets but we sell them here: 2X Hot Tub Spa 2" Heater or Pump Union Gasket Balboa Gecko ACC
| Housing Configuration | Straight |
| Heater Length | 15" Flange to Flange |
| Threaded Tap Orientation | 3 O`Clock |
| Kilowatts | 1.0kW, 4.0kW |
| Voltage | 115v, 230v |
| Sensor Stud Orientation | 6 O`Clock |
| Mounting Stud Type | None |
| Heater Size | 2" |
| Union Size | 2" (3" inside thread measurement) |
| Heater Application | Balboa Water Group |
