Understand Functions of HVAC-R Parts

Click each part to know the functionality of each part in air conditioner and refrigeration systems.

Compressors

run capacitor

Capacitors

Air conditioner contactor

Contactors

Delay Timer

Delay Timer

ac condenser fan motor

AC Fan Motor

air conditioner pressure control switch

Hi/Lo Pressure Control

furnace air pressure control switch

Air Pressure Switch

piston metering device

Piston Metering Device

Thermal Expansion Valve TXV

Thermal Expansion Valve

power disconnect box

Disconnect Power Box

furnace gas valve

Furnace Gas Valve

gas furnace flame sensor

Gas Flame Sensor

exhaust Draft Inducer Fan Motor

Draft Inducer Motor

Gas Furnace ignitor

Gas Furnace Ignitor

Thermal Safety Switch

Thermal Safety Switch

ac low voltage transformer

Low Voltage Transformer

electric sequencer

Electric Sequencer

heater electric heat strip

Electric Heating Element

ac digital wifi thermostat

Air Conditioner Thermostats

refrigeration thermostat

Refrigeration Thermostats

defrost timers

Defrost Timers

refrigerant sight glasses

Sight Glasses

refrigerant solenoid valves

Solenoid Valves

refrigerant filter driers

Filter Driers

refrigeration pressure switches

Pressure Switch