All products 0.5" - 2 way Valve size

Looking for high-quality controls, HVAC, electrical, plumbing, and industrial/residential products? Browse the Blackhawk Supply store catalog today!
View Details Siemens 230-04321-3 230-04321-3, 1/2 PICV, 3 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-1.5 230-04321-1.5, 1/2 PICV, 1.5 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-5 230-04321-5, 1/2 PICV, 5 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-4.5 230-04321-4.5, 1/2 PICV, 4.5 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-4 230-04321-4, 1/2 PICV, 4 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-2.5 230-04321-2.5, 1/2 PICV, 2.5 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-2 230-04321-2, 1/2 PICV, 2 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 230-04321-1 230-04321-1, 1/2 PICV, 1 GPM + 3P NSR NO  | Blackhawk Supply
$219.69 each
View Details Siemens 599-04320-0.5 599-04320-0.5  1/2 PICV 0.5 GPM NO  | Blackhawk Supply
$126.98 each
View Details Siemens 230-04320-0.5 230-04320-0.5  1/2 PICV 0.5GPM+3P NSR NO  | Blackhawk Supply
$219.69 each
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