What's the fittings called of dental chair sidepods?

Heater is a mouthwash, providing patients with a suitable temperature of mouthwash, because different manufacturer design is different, the style may have different "water heater", most of the treatment table heater are there is a switch control, heating, may also have temperature control to adjust the water temperature, if in providing warm water condition without heated mouthwash, to check whether there is power and temperature control problem.