Domestic Appliance Spares
Technical review: 2026-08-20
Fridge & Freezer Thermostats & Temperature Sensors
Source replacement mechanical capillary thermostats (Ranco K59, Danfoss) and digital NTC temperature sensors for domestic fridges and freezers.
Where to Find Your Model or Part Number
To guarantee 100% compatibility, check these standard locations for model badges, OEM stampings, and serial numbers:
- Inside the fridge compartment on the side wall behind the salad drawer or on the thermostat dial housing.
Frequently Replaced Components & Spares
Ranco K59 Thermostats
Universal and direct replacement capillary temperature control switches
Electronic Defrost Sensors
NTC thermistor sensors for frost-free evaporator coils
Common Symptoms & Fault Diagnostics
| Observed Symptom | Likely Root Cause | Recommended Action |
|---|---|---|
| Fridge freezes all food on lowest dial setting, or compressor does not turn on at all | Loss of gas charge in thermostat capillary tube or seized internal electrical switch contacts | Inspect and replace faulty component. |
Compatibility Verification Checklist
Before ordering replacement components, verify these technical specifications to avoid returns:
Verify capillary tube length (e.g. 900mm vs 1200mm) and terminal terminal numbers (3-pin vs 4-pin).
How to Photograph Your Part for AI Identification
- 1Photograph the stamped code on the side of the metal thermostat casing (e.g. K59-Lxxxx).
Safety & Legal Compliance Notice
Isolate refrigerator from 230V mains electricity before unscrewing the internal thermostat housing or routing capillary tubes.