Fit a new SY valve by replacing a blanking plate
         
     
    
Fit a supply spacer to a new SY valve for independent pressure feed
         
 
    
    
Insert a supply blocking disc to control a new SY manifold by 2 different pressures
         
     
    
Replace a new SY manifold fitting connection
         
 
    
    
Change side port fittings on a new SY manifold to allow top porting connection
         
     
    
Change serial interface on a new SY manifold
        