Good Rebuilt Westfalia-Surge 12 unit Pulsator Control box
Operates 12 alternating or 24 single pulsators
Rebuilt and tested.
Includes new aftermarket pulsation circuit board
115 volts in 24 volts pulsed DC out
# 1 seller for past 30 years!
Pulsator shown in photo is NOT included but available separately Box may be black or white