Three Port Valves
A Three Port Motorised Valve has 3 ports (one inlet and two outlet) and can divert the water flow to either or both of the outlet ports. This allows one Motorised Valve to control heating and hot water, instead of two separate Two Port Motorised Valves. Most Three Port Motorised Valves have a mid position option which allows flow to both circuits simultaneously, but some Diverter Valves allow flow to only one or the other at any one time. Three Port Valves are commonly referred to as Mid-Position Valves.
