NEW Watts 9D M3 Backflow Preventer Valve 1 2 Max 175 Psi 0036E 8422

  For sale is a NEW, Watts Backflow Preventer Valve 1/2" Max 175 Psi 0036E
9D-M3.
Intermediate atmosphere vent
ASSE 1012 
B64.3
Max Backflow Temp. 250

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