Thermistor
A temperature-dependent resistor used by controls to estimate temperature.
Plain-language reference
Appliance repair glossary
Understand the component names and diagnostic terms that appear in manuals and error-code guides.
Drain pump
A pump that moves wastewater out of an appliance.
Inlet valve
An electrically controlled valve that admits household water.
Pressure sensor
A sensor used to estimate water level or pressure.
Heating element
A resistive component that converts electricity into heat.
Control board
An electronic controller that coordinates sensors, motors, valves and user inputs.
Inverter
Power electronics used to control some variable-speed motors or compressors.
Door interlock
A safety latch/switch that confirms a door or lid is closed and locked.
Float switch
A device that detects water level or water in a drip tray/base pan.
Evaporator fan
A refrigerator/freezer fan that circulates air across the evaporator.
Compressor
The motor-pump at the heart of a vapour-compression refrigeration system.
MEMS sensor
A micro-electromechanical sensor; in washers it can be used for vibration or motion sensing.
Standpipe
A vertical household drain pipe commonly used for washing-machine drain hoses.
Sump
A low collection area in a dishwasher where water, filters and pump inlets are located.
Hall sensor
A magnetic sensor often used to detect motor, rotor or clutch position.