“ These valves were put in my home sys. At this time all I can say is they work.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ This was sent quickly, arrived in perfect condition and solved the problem. Only needed the head but ordered the valve as backup anyway.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ I've now used 4 of these for one winter heating season, and they are performing flawlessly.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ easy install, great functionality. design makes servicing very easy.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ Great zone valves I have installed 12 or so I have 20+ more to purchase Thanks for great product.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ Instructions are easy to follow in packaging. Works great in my zone valve system.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ Using this product to replace old style zone valves in an apartment building. They are much easier to wire and the green light lets you know you have a call for heat.”  
                
                                
             
         
                                     
     
        
        
        
        
            
                
                
                “ I bought 3, wired into my control box...use C for the 24volt supply.”