3690 Outdoor ADA accessible Bottle Filler Attachment Hydration Equipment electric sensor and solenoid valve BP32W electric sensor and solenoid valve retrofit kit with plug in transformer converts many duel Haws fountain with 1920 bottle filler models to have hands free operation Supply: 1 2" IPS The Haws 3690 heavy duty bottle filler for the 3600 pedestal series fountains uses a patented push button stainless steel valve assembly allowing for front access stream adjustment as well as cartridge and strainer access is fully serviceable through the front of the push button assembly offering access to the water control cartridge and integral water supply strainer