Glossary “capillary action” Definition:
The force by which liquid, in contact with a solid, is distributed between closely fitted surfaces of the joint, while being brazed or soldered.

Glossary “capillary attraction” Definition:
Another term for capillary action.

Glossary “capillary tube” Definition:
1). A tube with a calibrated inside diameter and length used to control the flow of refrigerant. 2). A tube that connects the remote bulb to the thermostatic expansion valve. 3). A tube that connects the remote bulb to the thermostat.