Various versions available.

V1
Bulk Tank Control Panel 1pH with Valves

V2
Bulk Tank Control Panel 1pH without Valves​

V3
Bulk Tank Control Panel 1pH with Valves & SQR

V4
Bulk Tank Control Panel 1pH with Valves, SQR & Additional Leak Sensor

V5
Bulk Tank Control Panel 1pH with Valves, SQR, Additional Leak Sensor & DPF

V6
Bulk Tank Control Panel 1pH with Vales, SQR, Additional Leak Sensor, DPF & Brainboxes