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Elkay ERF750 Installation Guide

The Elkay ERF750 WaterSentry® Plus Residential Replacement Filter is designed for Elkay Liv residential bottle filling stations. It provides cleaner, better‑tasting water by reducing lead, chlorine, and other contaminants for home use.


Key Installation Requirements:


  • Compatible with Elkay Liv residential bottle fillers
  • Cold water line only (40–100°F operating temperature)
  • Supply line pressure: 20–120 PSI
  • Install filter in vertical position for proper flow
  • Allow clearance for filter replacement and servicing

Important Notes Before Installing:


  • Always depressurize water line before servicing or replacing filter
  • Flush new filter for 5 minutes before use
  • Replace filter every 3,000 gallons or 1 year, whichever comes first
  • Do not install in areas subject to freezing temperatures
  • Use only genuine Elkay filters to maintain certification and performance

Basic Installation Overview:


  1. Shut off water supply and depressurize line
  2. Remove old filter cartridge from filter head
  3. Insert new ERF750 cartridge into filter head and rotate clockwise until seated
  4. Turn on water supply and flush system for 5 minutes
  5. Check for leaks and confirm proper flow
  6. Reset filter status indicator if applicable

For complete specifications and installation guidelines, download the official ERF750 Spec Sheet and the Installation Manual.


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