Balboa 58031 Flo Thru Heater Assembly 4.0kW 230C with Sensors for M7 System
This Balboa heater is a 4 kilowatt, 240 volt flow through heater that comes with sensors. It is compatible with Balboa systems with the following model numbers: 52428, 52428, 52428-01, 52641-04, 52641-05, 52641-06, 52428-01, 52641-07, 52641-08, 52641-09