Water Filter for the GE ZISS360NXCSS (MWF)

ZISS360NXCSS specifics — where the filter actually lives

The ZISS360NXCSS carries its water filter bottom of the fresh-food column or at the grille line in most side-by-side builds, so expect to clear one shelf edge before you have working room. The seat is a twist-in design — half a turn of wrist work in each direction is the whole procedure; everything else is towel management.

The small print owners learn the hard way: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. Read the prefix and the maintenance writes itself: ZIS is GE’s Monogram built-in side-by-side designation proper, and the service literature files every one of these under the same cartridge line. Finish letter sets like SS never alter the bay; the MWF line fits the whole set.

ZIS vs PSS — what the prefix tells you

The ZIS/PSS pair divides this family by layout — Monogram built-in side-by-side against Profile side-by-side, respectively. Filter bays rarely care — the media family carries over more often than not. Size class 36 cubic feet — worth knowing because a full household works a cartridge harder than the rated six months assumes.

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.

ZISS360NXCSS filter questions