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Browse our extensive collection of 16,000+ control ball valves, including CCVs and zone valves, from top brands — Honeywell, KMC Controls, Belimo, Johnson Controls, and others!
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![Siemens 172H-10311S 2W 3/4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322379_en_5d32b489-e34b-4aba-98c6-baa41a21cb35_medium.jpg?v=1723872527)
172H-10311S | 2W 3 / 4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172H-10311S
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![Siemens 172F-10321S 2W 1-1/4", 100Cv ball valve assy, stainless steel ball, stem, float, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_416be86c-db8d-4ebf-9df4-0822d9766422_medium.jpg?v=1723872515)
172F-10321S | 2W 1-1 / 4", 100Cv ball valve assy, stainless steel ball, stem, float, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10321S
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![Siemens 172F-10328 2W 2", 63Cv ball valve assy, chrome-plat brass ball, brass stem, float, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_eaec7a39-1e86-4c87-aafd-dbb34a888ec4_medium.jpg?v=1723872523)
172F-10328 | 2W 2", 63Cv ball valve assy, chrome-plat brass ball, brass stem, float, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10328
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![Siemens 172E-10327S 2W 2", 40Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_e3ccbcf3-a695-48ed-871d-913534a24929_medium.jpg?v=1723872508)
172E-10327S | 2W 2", 40Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10327S
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![Siemens 172E-10328S 2W 2", 63Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_a17a6114-e1b7-4172-b3e2-126b0f8467c8_medium.jpg?v=1723872514)
172E-10328S | 2W 2", 63Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10328S
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![Siemens 172G-10321 2W 1-1/4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_198500dd-61ca-4279-8d80-157a218dbc88_medium.jpg?v=1723872519)
172G-10321 | 2W 1-1 / 4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Siemens
Brand: Siemens
SKU: 172G-10321
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![Siemens 171L-10307S 2W 1/2", 10Cv ball valve assy, stainless steel ball and stem, 2-pos, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_fb932e44-fb16-4105-b7c9-8a4b65959203_medium.jpg?v=1723872494)
171L-10307S | 2W 1 / 2", 10Cv ball valve assy, stainless steel ball and stem, 2-pos, NO, SR | Siemens
Brand: Siemens
SKU: 171L-10307S
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![Siemens 172E-10323S 2W 1-1/2", 40Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_ffb7c28c-fdc6-4235-a382-eae4dec92a82_medium.jpg?v=1723872515)
172E-10323S | 2W 1-1 / 2", 40Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10323S
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![Siemens 172F-10324 2W 1-1/2", 63Cv ball valve assy, chrm-plat brass ball, brass stem, float NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_0b31838b-2d1e-4461-b3d1-ebc293887835_medium.jpg?v=1723872525)
172F-10324 | 2W 1-1 / 2", 63Cv ball valve assy, chrm-plat brass ball, brass stem, float NC SR | Siemens
Brand: Siemens
SKU: 172F-10324
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![Siemens 172F-10325 2W 1-1/2", 100Cv ball valve assy, chrm-plat brass ball, brass stem, float NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_27ed2edf-7008-4b28-9565-3c4a2e3893be_medium.jpg?v=1723872522)
172F-10325 | 2W 1-1 / 2", 100Cv ball valve assy, chrm-plat brass ball, brass stem, float NC SR | Siemens
Brand: Siemens
SKU: 172F-10325
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![Siemens 171L-10311S 2W 3/4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_66b06604-a4af-4cb7-a9ac-2b1107e133c2_medium.jpg?v=1723872508)
171L-10311S | 2W 3 / 4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Siemens
Brand: Siemens
SKU: 171L-10311S
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![Siemens 172F-10318S 2W 1-1/4", 25Cv ball valve assy, stainless steel ball, stem, float, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_5a43459d-f8f4-4d70-8450-8dfaed48c1ca_medium.jpg?v=1723872514)
172F-10318S | 2W 1-1 / 4", 25Cv ball valve assy, stainless steel ball, stem, float, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10318S
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![Siemens 172F-10326S 2W 1-1/2", 160Cv ball valve assy, stainless steel ball and stem, float, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_c8dd3acd-6168-4aa6-b7db-6bc11bb886aa_medium.jpg?v=1723872520)
172F-10326S | 2W 1-1 / 2", 160Cv ball valve assy, stainless steel ball and stem, float, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10326S
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![Siemens 171G-10371S 599 Series 3W, 2", 63Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_f6428a6c-2685-41ba-8aa8-48b75a6e6840_medium.jpg?v=1723872501)
171G-10371S | 599 Series 3W, 2", 63Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10371S
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![Siemens 171E-10324S 2W 1-1/2", 63Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_134b3f67-cb68-40e6-99e7-6be465eed1b7_medium.jpg?v=1723872434)
171E-10324S | 2W 1-1 / 2", 63Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Siemens
Brand: Siemens
SKU: 171E-10324S
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![Siemens 172F-10316 2W 1", 63Cv ball valve assy, chrome-plat brass ball & brass stem, float, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_205f2365-a148-4ad1-8bf8-72a52ce181a4_medium.jpg?v=1723872508)
172F-10316 | 2W 1", 63Cv ball valve assy, chrome-plat brass ball & brass stem, float, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10316
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![Siemens 171L-10307 2W 1/2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NO SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_b0488bc1-9bb7-4108-8d2f-a695b8d3f7a8_medium.jpg?v=1723872499)
171L-10307 | 2W 1 / 2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NO SR | Siemens
Brand: Siemens
SKU: 171L-10307
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![Siemens 172F-10316S 2W 1", 63Cv ball valve assy, stainless steel ball & stem, floating, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_9f88222c-c30b-413a-9f95-1ee957eba3cf_medium.jpg?v=1723872515)
172F-10316S | 2W 1", 63Cv ball valve assy, stainless steel ball & stem, floating, NC, SR | Siemens
Brand: Siemens
SKU: 172F-10316S
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![Siemens 172G-10324 2W 1-1/2", 63Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_29cfa14c-4c8c-4089-a556-b6c2bb1c06e5_medium.jpg?v=1723872518)
172G-10324 | 2W 1-1 / 2", 63Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Siemens
Brand: Siemens
SKU: 172G-10324
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![Siemens 171M-10321 2W 1-1/4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NO SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_06f980f7-e731-402d-ba03-106345b2e152_medium.jpg?v=1723872497)
171M-10321 | 2W 1-1 / 4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NO SR | Siemens
Brand: Siemens
SKU: 171M-10321
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![Siemens 172E-10326S 2W 1-1/2", 160Cv ball valve assy, stainless steel ball and stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_5a446e95-2891-43f1-9a50-2ac418f4d3c2_medium.jpg?v=1723872506)
172E-10326S | 2W 1-1 / 2", 160Cv ball valve assy, stainless steel ball and stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10326S
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![Siemens 171F-10356S 599 Series 3W, 1/2", 6.3Cv Stainless Steel Ball Valve, 3-Pos float, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_78802075-809c-4dab-991a-6fcca2a97b9b_medium.jpg?v=1723872467)
171F-10356S | 599 Series 3W, 1 / 2", 6.3Cv Stainless Steel Ball Valve, 3-Pos float, SR | Siemens
Brand: Siemens
SKU: 171F-10356S
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![Siemens 172E-10329S 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_ff0bb02b-ed7f-47df-901e-5b49ee5e7701_medium.jpg?v=1723872515)
172E-10329S | 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10329S
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![Siemens 171F-10361S 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, 3-pos float, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_aa852c78-ef89-4861-9a9c-5882acb98633_medium.jpg?v=1723872495)
171F-10361S | 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, 3-pos float, SR | Siemens
Brand: Siemens
SKU: 171F-10361S
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