How does pressure switch on caravan water system work?
How does pressure switch on caravan water system work? As the pressure rises when you turn a tap off, the switch operates, turning the pump off. The system then holds the pressure between the closed tap and the pressure switch, which acts as a non-return valve. Since water is non-compressible, you may be wondering how pressure switching can work. How does the pressure switch work on a lunar caravan? The pressure switch acts as a one-way valve keeping the pressure in the system when the pump switches off. The other one-way valve prevents warm water from the heater getting into...