Hvac 0.5" - 2 way Valve size

View Details Siemens 331-631 Damper Shaft Extension, 1/2-inch  | Blackhawk Supply
$70.88 each
View Details Siemens VMP42.12(2) 2-WAY VALVE ASSEMBLY, 1.17 CV | Control Valve  | Blackhawk Supply
$142.94 each
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