Shop our large selection of Elkay bottle filler parts like a solenoid valve, cartridge regulator, and bottle filler sensor, to the Elkay EZH2O filter and the 51300C Water Sentry Plus, we have the best available selection and prices. Unsure of the exact Elkay part you need to fix your water bottle refill station or water fountain for bottles? Search by the model number to access an Elkay bottle filler manual.