The switching valve includes {TAIL ~ first, second and third ports} and a valve member controlling fluid flow between {HEAD ~ the ports} 
The switching valve includes { TAIL ~ first , second and third ports } and a valve member controlling fluid flow between { HEAD ~ the ports }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD