Sub-Zero Defrost Thermostat 2 replacement part image
Sub-Zero Catalog S399

Sub-Zero Defrost Thermostat 2

Genuine OEM Sub-Zero Defrost Thermostat 2.

OEM part description

This factory-original OEM replacement component is used for part identification, order review, and correct replacement matching through Expert Appliance Pro.

What this part does

Helps monitor evaporator temperature during defrost operation. A failed thermostat can interrupt defrost timing, allow frost buildup, affect airflow, or cause cooling problems.

Order review note

Each order is manually reviewed against manufacturer diagrams before shipment to help verify part accuracy for your model. If an incorrect part is sent, we will handle the return or exchange at no cost, including a prepaid return label.

Search Sub-Zero parts by model View related Sub-Zero category Back to parts catalog Email Parts Research

Related catalog items

Sub-Zero Defrost Thermostat 3 Catalog S400 Sub-Zero Defrost Thermostat 4 Catalog S402 Sub-Zero 590 Defrost Heater Catalog S395 Sub-Zero Defrost Heater 1 Catalog S459 Sub-Zero Defrost Heater 2 Catalog S460 Sub-Zero Defrost Heater 3 Catalog S461

Related Sub-Zero categories

Sub-Zero Fans & Motors Browse related Sub-Zero OEM replacement parts and catalog references. Sub-Zero Controls Sensors & Electronics Browse related Sub-Zero OEM replacement parts and catalog references. Sub-Zero Door Seals & Gaskets Browse related Sub-Zero OEM replacement parts and catalog references.
Catalog ID S399 — catalog reference for this item.
Part type OEM replacement part reference.
Order support Each order is manually reviewed against manufacturer diagrams before shipment to help verify part accuracy for your model. If an incorrect part is sent, we will handle the return or exchange at no cost, including a prepaid return label.