Dyna-Pro Pump Plastic Base || C4-77P WhisperFlo VS/VSF Variable Speed Pumps Designed to fit into most

Designed to fit into most 1 ½” threaded wall returns

so if your PCB board goes out you would have to purchase the upgrading kit to be able to acquire the new PCB board

Two-way cleaning design easily scrubs and vacuums dirt and grime from pool surfaces

and provide enhanced circulation

Niche for Vinyl and Fiberglass Installation 3/4" rear hub includes internal and external ground lugs

Dyna-Pro Pump Plastic Base || C4-77P WhisperFlo VS/VSF Variable Speed Pumps Designed to fit into mostDyna Pro Pump Plastic Base C4 77P Base replacement Fits Pentair Sta Rite Dyna Glas Dyna Max Series, Dyna Pro Dyna Pro E pool and spa pumps Also fits Sta Rite TPE Dyna Jet Series, Dyna Wave Series pool and spa pumps Made of corrosion resistant plastic