what are service valves?\ncomponents that give access to the refrigeration system\ncomponents that control…

what are service valves?\ncomponents that give access to the refrigeration system\ncomponents that control the pressure of the refrigerant in a refrigeration system\ncomponents that aid the compressor in pumping the refrigerant\ncomponents that turn a refrigeration system on and off
Answer
Brief Explanations:
Service valves in a refrigeration system are used to provide access for maintenance, testing, charging, and evacuation of the system. They allow technicians to connect gauges and other equipment to the refrigeration lines.
Answer:
components that give access to the refrigeration system