Siemens Non-spring return Spring return
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![Siemens 173C-10305S 2W 1/2", 4Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_a35204f1-94f0-4417-9b95-3e9c951c7e1e_medium.png?v=1720021610)
173C-10305S | 2W 1 / 2", 4Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10305S
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![Siemens 173C-10304S 2W 1/2", 2.5Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_a021f09e-10e4-4264-afd4-d69e2d99fd4d_medium.png?v=1720021620)
173C-10304S | 2W 1 / 2", 2.5Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10304S
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![Siemens 173C-10304 2W 1/2", 2.5Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_e6bf5439-42b6-4ebf-a9ad-e1a8a4601ea2_medium.png?v=1720021619)
173C-10304 | 2W 1 / 2", 2.5Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10304
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![Siemens 173C-10303S 2W 1/2", 1.6Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_cb7d33d0-89aa-46dd-9cfc-b3e5bda7f716_medium.png?v=1720021650)
173C-10303S | 2W 1 / 2", 1.6Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10303S
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![Siemens 173C-10303 2W 1/2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_57d7fceb-846f-4ef6-9673-5d9626be12b9_medium.png?v=1720021597)
173C-10303 | 2W 1 / 2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10303
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![Siemens 173C-10302S 2W 1/2", 1Cv ball valve assembly, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_590a5ac4-f5d9-444f-96d4-ca8c7ff82a10_medium.png?v=1720021628)
173C-10302S | 2W 1 / 2", 1Cv ball valve assembly, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10302S
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![Siemens 173C-10302 2W 1/2", 1Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_445bd34d-d1cb-44fa-a915-bad83381964b_medium.png?v=1720021614)
173C-10302 | 2W 1 / 2", 1Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10302
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![Siemens 173C-10301S 2W 1/2", 0.63Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_b5667e81-7fdc-4f95-9f77-6e442fbfc5c1_medium.png?v=1720021619)
173C-10301S | 2W 1 / 2", 0.63Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10301S
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![Siemens 173C-10300S 2W 1/2", 0.4Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_1c5ef20b-b7fd-4f84-b6de-178c58e24e31_medium.png?v=1720021632)
173C-10300S | 2W 1 / 2", 0.4Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10300S
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![Siemens 173B-10372S 599 Series 3W, 2", 100Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_cb079c8d-3ba1-4167-8be5-302a3d88d649_medium.png?v=1720021612)
173B-10372S | 599 Series 3W, 2", 100Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10372S
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![Siemens 173B-10372 599 Series 3W, 2", 100Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_d5e49921-fabd-4fe4-8e98-f255cf16c1e4_medium.png?v=1720021640)
173B-10372 | 599 Series 3W, 2", 100Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10372
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![Siemens 173B-10371S 599 Series 3W, 2", 63Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_79a17ffa-b9e4-4081-95f5-d14f8c7fd7ae_medium.png?v=1720021596)
173B-10371S | 599 Series 3W, 2", 63Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10371S
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![Siemens 173B-10371 599 Series 3W, 2", 63Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_e4004903-e309-4b7e-bd82-fc8d8c2b6503_medium.png?v=1720021652)
173B-10371 | 599 Series 3W, 2", 63Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10371
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![Siemens 173B-10370S 599 Series 3W, 2", 40Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3b0eea6c-bbca-4c76-8fbc-31e578a24432_medium.png?v=1720021631)
173B-10370S | 599 Series 3W, 2", 40Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10370S
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![Siemens 173B-10370 599 Series 3W, 2", 40Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_e554d2ca-bbe3-4432-a5f4-1eaaa987792f_medium.png?v=1720021709)
173B-10370 | 599 Series 3W, 2", 40Cv Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10370
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![Siemens 173B-10369S 599 Series 3W, 1-1/2", 63Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_750c532d-ceae-443f-acdd-53ef460bbf2c_medium.png?v=1720021594)
173B-10369S | 599 Series 3W, 1-1 / 2", 63Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10369S
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![Siemens 173B-10368S 599 Series 3W, 1-1/2", 40Cv SS Ball Valve, 3-pos float NSR, Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_0dc30b9e-2d42-4c62-ae22-d7c85604c6f3_medium.png?v=1720021613)
173B-10368S | 599 Series 3W, 1-1 / 2", 40Cv SS Ball Valve, 3-pos float NSR, Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10368S
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![Siemens 173B-10367S 599 Series 3W, 1-1/2", 25Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3eec77ce-910c-424e-b08b-ecb71a848215_medium.png?v=1720021615)
173B-10367S | 599 Series 3W, 1-1 / 2", 25Cv SS Ball Valve, 3-pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10367S
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