3690 Outdoor ADA accessible Bottle Filler Attachment Single Drinking Fountains electric sensor and solenoid valve 5881PBA electric sensor and solenoid valve retrofit kit with plug in transformer converts many duel Haws fountain models Unit also comes with trap and tailpiece to meet desired wall mounting requirements 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