BP501U Spa Pack with Expander Board 51-59372-E-K 4kW 3 Circuit

BP501U Control Box 51-59372-E-K with Expander Board and 4kW titanium heater, 3 Circuits.

This is the spa pack with heater 59372 that includes the 4kw heater.

First Appliance: 1 or 2 Speed Pump
Second Appliance/circuit 1 or 2 Speed Pump
Third Appliance/circuit Pump 3 or Blower 1 Speed
Also accommodates a circ  pump, ozonator and lights.

Spa pack works with BP Series control panels including TP200, TP400, TP500, TP500S, TP600, TP800, TP900 and SPaTouch (menued)