Water Filter for the GE PSC23NHMBBB (MWF)

PSC23NHMBBB specifics — where the filter actually lives

The filter bay on the PSC23NHMBBB bottom of the fresh-food column or at the grille line in most side-by-side builds — usually a kneeling-height or shoulder-height swap, not a teardown. Mechanically the PSC23NHMBBB uses a twist-in cartridge: the bay wants the cartridge offered flat, rotated a quarter turn, and nothing more — hand pressure only.

Before you click buy, two things: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. The badge reads PSC23NHMBBB, but the chassis reads PSC: PSC generally indicates the Profile side-by-side family, so cross-referencing cartridges by chassis rather than by door style usually keeps you out of the wrong-parts queue. Trim code BB: cosmetic variants of one chassis, one cartridge family.

PSC vs PFS — what the prefix tells you

Prefix families here: PSC against PFS. Ordering by prefix works because PSC means Profile side-by-side and PFS means Profile French-door in this catalog — and the cartridge pool overlaps both. capacity 23 cu ft: a mid-to-full-size cabinet whose dispenser traffic sets the realistic change cadence.

Swap it in 5 minutes

• Twist the old cartridge a quarter turn counterclockwise and pull it straight down — keep a towel in reach for the dribble.
• Fill the new cartridge with cold tap water so the chamber is not fighting an air pocket.
• Offer the new cartridge to the bay, push up, and twist a quarter turn clockwise until the stop catches.
• Run two gallons through the dispenser to flush carbon fines, then hold the filter-reset control until the status light clears.

What this filter takes out of your water

Coverage above lists what the standard addresses, not a performance claim for any specific cartridge — removal claims vary by certificate, so check the NSF listing for the exact part number you are buying.

PSC23NHMBBB filter questions