When and How to Replace Your Water Filter

Water filters ensure clean, fresh-tasting water and ice. Timely replacement is essential.

When to Replace

Standard Schedule

• Every 6 months
• Or as manufacturer recommends
• Sooner if water quality poor

Signs It's Time

• Reduced water flow
• Change in taste
• Odor in water/ice
• Indicator light on
• Cloudy ice

Factors Affecting Life

• Water quality
• Usage volume
• Sediment levels
• Filter type

Finding Your Filter

Common Locations

Refrigerator Interior:

• Upper right corner
• Base grille area
• Behind crisper drawers

External:

• Behind refrigerator
• In water line

Sub-Zero Filters

• Located in upper grille
• Easy access
• Twist to remove

Replacement Steps

General Process

• Turn off water supply (optional but recommended)
• Locate filter
• Remove old filter (twist or push)
• Install new filter (follow arrows)
• Run water to flush (2-3 gallons)
• Reset indicator if applicable
• Discard first batches of ice

Tips

• Have towel ready
• Note filter orientation
• Don't force fit
• Verify seal

Choosing Filters

OEM vs Third-Party

OEM Filters:

• Guaranteed compatibility
• Certified performance
• Higher cost
• Manufacturer warranty

Third-Party:

• Lower cost
• Check NSF certification
• Verify fit for your model
• Quality varies

Our Recommendation

Use OEM or NSF-certified filters for best results and peace of mind.

Filter Records

Track Replacement

• Note date of replacement
• Set calendar reminder
• Check indicator regularly

Common Questions

Can I Use Without Filter?

• Some models require filter
• Others have bypass plug
• Check your manual

Water Still Tastes Bad?

• Filter may need more flushing
• Check water supply quality
• Consider whole-house filter

Need filter replacement help? Call (781) 604-1175