Perfect to replace your old electronic spa system, included all of spare parts to restore your spa. You can restore your spa with these retrofit kits.
Retrofit kit VL801D + GS501DZ
Heater BALBOA 3.0 kW 240V
With M7 sensors
Balboa Reference : 54818
Can control :
The M7 (Millenium 7) control system is a patented technology by Balboa. Sensors placed inside the heater allow to continuously and correctly measure the flow and the water temperature. The systems using this technology have a superior lifespan and are more liable.
The sensors’ cables are sold separately.
Delivered with the 2" (60 mm internal) output connection
You can use your old union connections. If these connectors aren't compatible with your pipe, click on the link below : Heater union connections
All spas with power supply : 220 - 240V