GE GTH17BBZ2LWW refrigerator - z series Parts

The GE GTH17BBZ2LWW is a top-mount refrigerator; its exact overall height, width, and depth are listed in the specifications section of the owner's manual. For planning space, also allow the required installation clearances around the cabinet.

When we talk about refrigerator size, we recommend checking these items:

• Overall width, height, and depth (cabinet)
• Depth with doors and handles (often the tightest fit)
• Door swing clearance (space needed to open doors fully)
• Capacity (cubic feet) (storage volume, not exterior size)
• Ventilation clearance (space around the refrigerator for airflow)

Your GE GTH17BBZ2LWW needs these minimum clearances for installation and air circulation:

• Sides: 3/4 inch (19 mm)
• Top: 1 inch (25 mm)
• Back: 1 inch (25 mm)

Use a tape measure and confirm all three dimensions:

• Measure the opening width at the front and back (walls are not always square).
• Measure height to the lowest obstruction (cabinet trim, soffit, or door frame).
• Measure depth from the back wall to the front edge of counters, then compare to the refrigerator depth (including handles if needed).

A refrigerator can fit the opening but still fail in real use if the doors cannot open fully, the unit cannot slide into place, or airflow is restricted. The clearances above help prevent warm running, poor cooling, and door alignment issues.

Last updated: February 2026

On a GE GTH17BBZ2LWW top-mount refrigerator, “172” is not a standard error code; it is most often seen as part of the model or serial label information used to identify the unit for service, parts lookup, or warranty records. Check the label location shown in the owner's manual.

On this model, the most common place you will see number strings like this is the rating label.

• Open the fresh food (refrigerator) door
• Look on the upper left side of the fresh food compartment for the model and serial label
• Check whether “172” appears as part of the serial number, a date code, or an internal code
• Write down the full model number and full serial number (not just “172”)

Because GE uses multiple number formats on labels, “172” typically falls into one of these buckets:

Using the full model number (GTH17BBZ2LWW) and the complete serial number helps us match the correct GE refrigerator parts (like a door gasket, evaporator fan motor, or light bulb) and avoid ordering the wrong replacement.

Last updated: February 2026

A top-mount refrigerator is a classic fridge layout where the freezer compartment is on top and the fresh food (refrigerator) compartment is below. Your GE GTH17BBZ2LWW uses this design to keep frozen items at eye level and everyday refrigerated items within easy reach.

In a top-mount refrigerator, cold air is produced and managed so both compartments stay at safe temperatures.

• Freezer is the upper compartment; refrigerator section is below
• Temperature is typically controlled with a single dial that affects both sections
• Shelves and bins are designed for flexible storage (adjustable shelf supports are common)
• Doors can often be reversed to swing left or right (helpful for kitchen layouts)

This model uses a temperature control dial with multiple settings.

For operating details and shelf adjustment basics, use the owner's manual.

Knowing you have a top-mount design helps with everyday troubleshooting and maintenance. For example, airflow and door sealing issues can affect both compartments, and door-swing direction can be changed to fit your space.

If you are maintaining or repairing a top-mount refrigerator like this one, these are common wear items we see customers replace:

• Interior light bulb: GE appliance light bulb, 40-watt 40A15
• Door sealing parts (to reduce warm air leaks): refrigerator door gasket (white) WR24X10229
• Freezer door sealing parts: refrigerator freezer door gasket WR24X10228

Last updated: February 2026