- 1 x 20m roof sensor
- 1 x 2.5m tank sensor
- Australian power supply (fitted)
- Female pump lead (fitted)
- IP54 external housing (* housing supplied separate to the controller and will need to be fitted)
Technical Specifications - RESOL DeltaSol® BS Solar Controller
DeltaSol® BS/4 has 3 basic system layouts to choose from
Drainback option
Heat quantity measurement
Tube collector function, thermal disinfection function
Commissioning menu
Unit ºF and ºC selectable
HE pump control via adapter
Aux relay for hot water system element can be easily added to this model
Take the time to browse our site. We stock a range of RESOL accessories to suit the BS/4 solar controller. Accessories are easy and simple to connect to the VBus controller. It is as easy as adding a sensor.
The RESOL DeltaSol BS/4 controller has an IP ratting of 20 which is fine for indoor use. If using outside we recommend using a moisture proof housing. Take a look in our pump station section for more information.