Sorry, this product cannot be purchased. Controller PS2 4000 Pump Controller, DataModule, Programmable, Solar (PV)/Battery Operation used with ecdrive 4000 Part# 07-000540 SKU: 07-000540 Category: Lorentz Parts Description Additional information Description Additional information Weight 6.1 kg Related products Controller PS2 200 Pump Controller, DataModule, Programmable, Solar (PV)/Battery Operation used with ecdrive 200 Part# 07-000510 Pump HR14H-3 Pump end HR helical rotor 20 – 30 deg C part# 12-001960 Pump HR14-1 Pump end HR helical rotor 0 – 10 deg C part# 12-001280 Pump HR14-2 Pump end HR helical rotor 10 – 20 deg C part# 12-001290