Wall Sensor Parts

Range hood won't start or shuts off unexpectedly? A failed thermal cutoff fuse interrupts power when temperatures exceed safe limits. Simple repair.

Solid-state triac that switches AC power under command of the appliance's electronic control board. Replacing a failed triac restores proper power control to heating elements or motors and resolves intermittent or no-power symptoms. What it does:

• Acts as a solid-state switch on the control board to regulate AC power to heating elements or motors
• Enables the electronic control to modulate output for temperature or speed control
• Failure can cause no heat, intermittent heating, or loss of motor control
• Designed to match the original control circuit; check board mounting and connections before replacing

• Always disconnect all power at the breaker or unplug the appliance before servicing — risk of electric shock
• This part mounts to the control board; handle the board and connectors carefully to avoid damage
• Use anti-static precautions when handling electronic components;
• Verify the part number on the original board before installation

Freezer working but fridge not cooling? Coils frozen solid? Replace your defrost thermostat. Mounts on evaporator to control defrost heater cycle.

If your range meat probe gives inaccurate readings or doesn't work, this temperature sensor monitors internal cooking temps. Easy 15-minute DIY fix.

Dryer won't heat or overheats? This high limit thermostat cuts power when temperatures get too high. Common fix for no-heat issues. Easy install.

This 20-amp circuit breaker restores overcurrent protection to the appliance's electrical circuit, helping prevent damage from short circuits or overloads. It replaces a worn or tripped breaker so the appliance can receive proper power. What it does:

• Acts as an overcurrent safety device that trips when current exceeds safe limits
• Protects wiring and components from damage caused by overloads or short circuits
• Common symptom: appliance won't power on or stops powering intermittently
• Common symptom: breaker repeatedly trips during normal operation

• Disconnect power at the house breaker before inspecting or replacing the part
• Handle terminals carefully; ensure connectors are fully seated and tight
• Replace with the exact part number for fit and proper electrical rating

Dryer not heating or overheating? This thermal limit thermostat regulates temperature and prevents damage. Common DIY fix in about 15 minutes.

This is a thermostat that monitors the temperature in the ice maker to signal when ice has fully frozen and is ready to be harvested. It acts as a thermal cutoff device to regulate the ice-making cycle. Replace this thermostat if the ice maker stops producing ice, runs continuously without cycling, or fails to eject ice at the proper time.

If your range won't reach set temperature or displays incorrect readings, the temperature sensor likely failed. This probe-style RTD sensor restores accuracy.

This time delay fuse protects the appliance from overheating by opening the circuit when temperatures exceed safe limits. It's a direct-replacement electrical safety fuse used in heating circuits to help prevent damage and fire risk. What it does:

• Opens the circuit when the detected temperature rises above safe operating limits to stop the heating element
• Helps prevent overheating-related damage to internal components and wiring
• Can cause intermittent or no heating when failed
• Commonly associated with symptoms such as no heat, reduced or inconsistent heating, or a unit that stops running during heating cycles

• Disconnect power to the appliance before accessing or replacing the fuse to avoid electrical shock
• Locate the fuse according to your appliance's service manual or diagram and replace with the exact part number
• If the fuse is blown, inspect heating element, thermostat/thermal cutouts, and venting for underlying faults before reinstalling

This defrost thermostat helps control the refrigerator/freezer defrost cycle by sensing evaporator temperature and allowing the heater to run when frost removal is needed. Replaces a failed thermostat to restore normal defrost operation. What it does:

• Closes when the evaporator is cold so the defrost heater can run, then opens when the coil warms to stop defrosting
• Helps prevent excessive frost and ice buildup on the evaporator coil
• Common symptom: visible frost or ice on evaporator, excessive frost buildup, or defrost heater running constantly/ not at all
• Works with the defrost system to maintain efficient cooling performance

• One defrost thermostat

• Disconnect power to the appliance before starting any repair
• Mount on or near the evaporator coil as originally installed; secure wiring away from moving parts
• Inspect the harness and connector for damage; replace if corroded or brittle
• Test for continuity with a multimeter to confirm thermostat function before and after installation

If your oven won't heat but the igniter glows, the thermal limit switch may have tripped. This safety cutoff prevents overheating. DIY-friendly repair.

This oven temperature probe is the internal sensor that monitors cooking cavity temperature so the oven control can regulate heat for accurate cooking and bake results. It's a direct-replacement sensing probe for compatible Bosch ovens. What it does:

• Measures internal oven temperature and sends readings to the control board
• Allows the oven to maintain set temperatures for consistent cooking
• Common symptoms of a failing probe: inaccurate oven temps, oven not reaching set temperature, or temperature-related error codes
• Works with the oven's control system to help cycle heating elements or gas valve

• Disconnect power to the appliance before servicing to avoid shock hazard
• Handle the probe and its wiring gently; avoid sharp bends or pulling on connectors
• Verify connector orientation and secure connections to the control board per OEM diagram

This noise filter reduces electromagnetic interference generated by the microwave's electronics, preventing it from affecting other nearby appliances or electronic devices. It is typically located near the power input inside the microwave cabinet. Replace this filter if the microwave causes static on radios or TVs, trips breakers intermittently, or if the filter shows visible signs of burning or damage.

This temperature sensor (thermistor) detects internal appliance temperature and sends readings to the control board so the unit maintains proper cooling. Replacing a failing sensor restores accurate temperature monitoring and helps prevent spoilage. What it does:

• Measures internal temperature and provides a resistance-based signal to the control board
• Helps the control system regulate compressor and defrost cycles
• Commonly causes warm or fluctuating temperatures, prolonged cooling, or temperature-related error codes when failing
• Works as a direct-sensing temperature input — not a user control or switch

• One temperature sensor/thermistor (single part as shown)

• Unplug the appliance or switch off power at the breaker before servicing
• Handle the sensor and its thin leads carefully to avoid damage during removal and installation
• Route and secure wiring so it does not contact moving parts or sharp edges

This probe thermistor monitors interior temperature and sends readings to the control board so your appliance can maintain the correct cooling cycle. It replaces a failed or inaccurate sensor to help restore proper temperature regulation. What it does:

• Senses air or evaporator temperature and reports it to the control module
• Commonly related to warm/freezing issues, incorrect temperature readings, or erratic cycling
• Used by the control system to trigger fans, defrost, and compressor operation as needed
• Works as a direct replacement for the listed OEM temperature probe

• Disconnect power before replacing to avoid shock or damage
• Handle the sensor tip and wiring gently to avoid damage to the element or insulation
• Route and secure the wiring so it does not contact moving parts or hot surfaces