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Return valve
                
                    keith123                
                
                    Member Posts: 105                
            
                        
            Comments
- 
            some type of vapor system. It takes the place of a steam trap0
 - 
            It's obviously a chrome Split Pipe Escutcheon.0
 - 
            As to make and manufacturer??? It is probably an ell with a heel outlet plus union. The ell, nut, and nipple are a unit. My best guess.0
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            Could be a Broomell return with the original screw replaced by a plug0
 
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