Siemens Modulating Control input
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![Siemens 261-02023 Valve assy NC 1/2" 2.5Cv FxF SS Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/261-02023_medium.jpg?v=1692719330)
261-02023 | Valve assy NC 1 / 2" 2.5Cv FxF SS Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02023
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![Siemens 261-02009 Valve assy NC 1/2" 2.5Cv FxUM Brass Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/261-02009_medium.jpg?v=1692719398)
261-02009 | Valve assy NC 1 / 2" 2.5Cv FxUM Brass Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02009
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![Siemens 261-02008 Valve assy NC 1/2" 2.5Cv FxF Brass Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/261-02008_medium.jpg?v=1692719461)
261-02008 | Valve assy NC 1 / 2" 2.5Cv FxF Brass Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02008
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![Siemens 261-02006 Valve assy NC 1/2" 1.6Cv FxF Brass Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/261-02006_medium.jpg?v=1692719412)
261-02006 | Valve assy NC 1 / 2" 1.6Cv FxF Brass Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02006
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![Siemens 261-02005 Valve assy NC 1/2" 1.0Cv FxUM Brass Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/261-02005_medium.jpg?v=1692719410)
261-02005 | Valve assy NC 1 / 2" 1.0Cv FxUM Brass Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02005
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![Siemens 255-01139 MZ Series 3W Valve Asy, ANSI 250, Water, Linear, 1" FxF, 10 Cv, Elect/Mech | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/255-01139_medium.jpg?v=1692719253)
255-01139 | MZ Series 3W Valve Asy, ANSI 250, Water, Linear, 1" FxF, 10 Cv, Elect / Mech | Siemens
Brand: Siemens
SKU: 255-01139
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![Siemens 255-01136 MZ Series 3W Valve assy ANSI 250 Water Mix Linear 1/2" FxF 2.5Cv 200 N | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/255-01136_medium.jpg?v=1692719251)
255-01136 | MZ Series 3W Valve assy ANSI 250 Water Mix Linear 1 / 2" FxF 2.5Cv 200 N | Siemens
Brand: Siemens
SKU: 255-01136
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![Siemens 255-01135 MZ Series 3W Valve assy ANSI 250 Water Mix Linear 1/2" FxF 1.6Cv 200 N | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/255-01135_medium.jpg?v=1692719251)
255-01135 | MZ Series 3W Valve assy ANSI 250 Water Mix Linear 1 / 2" FxF 1.6Cv 200 N | Siemens
Brand: Siemens
SKU: 255-01135
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![Siemens 255-01121 MZ Series 2W Valve Assy, ANSI 250,NO, Linear, 1/2 In FxF, 1.6 Cv, El/Mech | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/255-01121_medium.jpg?v=1692719253)
255-01121 | MZ Series 2W Valve Assy, ANSI 250, NO, Linear, 1 / 2 In FxF, 1.6 Cv, El / Mech | Siemens
Brand: Siemens
SKU: 255-01121
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![Siemens 248-00234 Zone valve, 3-way, 1/2", 4.0 Cv, NPT w/ 24Vac, SSP61U actuator, 0-10Vdc, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/248-00234_medium.jpg?v=1692719218)
248-00234 | Zone valve, 3-way, 1 / 2", 4.0 Cv, NPT w / 24Vac, SSP61U actuator, 0-10Vdc, NSR | Siemens
Brand: Siemens
SKU: 248-00234
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![Siemens 248-00213 Zone valve, 2-way, 1", 7.0 Cv, NPT w/ 24Vac, SSP61U actuator, 0-10Vdc, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/248-00213_medium.jpg?v=1692719196)
248-00213 | Zone valve, 2-way, 1", 7.0 Cv, NPT w / 24Vac, SSP61U actuator, 0-10Vdc, NSR | Siemens
Brand: Siemens
SKU: 248-00213
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![Siemens 248-00211 Zone valve, 2-way, 1/2", 2.5 Cv, NPT w/ 24Vac, SSP61U actuator, 0-10Vdc, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/248-00211_medium.jpg?v=1692719200)
248-00211 | Zone valve, 2-way, 1 / 2", 2.5 Cv, NPT w / 24Vac, SSP61U actuator, 0-10Vdc, NSR | Siemens
Brand: Siemens
SKU: 248-00211
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![Siemens 245-00514 Zone valve, 2-way, 1/2", 4.0 Cv, SWT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/logo_df4a246e-fedb-47ba-8253-eabf321ae612_medium.png?v=1692719209)
245-00514 | Zone valve, 2-way, 1 / 2", 4.0 Cv, SWT w / 24Vac 0-10Vdc NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 245-00514
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![Siemens 245-00211 Zone valve, 2-way, 1/2", 2.5 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/245-00211_medium.jpg?v=1692719219)
245-00211 | Zone valve, 2-way, 1 / 2", 2.5 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00211
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![Siemens 231-04301-6 PICV, 1/2 inch, 6 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/231-04301-6.5_1182231a-682c-477c-94d7-96510bc74db3_medium.jpg?v=1692719040)
231-04301-6 | PICV, 1 / 2 inch, 6 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Siemens
Brand: Siemens
SKU: 231-04301-6
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![Siemens 231-04301-5 PICV, 1/2 inch, 5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/231-04301-5.5_medium.jpg?v=1692719035)
231-04301-5 | PICV, 1 / 2 inch, 5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Siemens
Brand: Siemens
SKU: 231-04301-5
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![Siemens 231-04301-3 PICV, 1/2 inch, 3 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/231-04301-3.5_e62a0272-cd49-43c9-8313-6226f7242bf5_medium.jpg?v=1692719048)
231-04301-3 | PICV, 1 / 2 inch, 3 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Siemens
Brand: Siemens
SKU: 231-04301-3
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![Siemens 172K-10311S 2W 3/4", 25Cv ball valve assy, stainless steel ball, stem, 2-10 V, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172K-10311S_medium.jpg?v=1692718847)
172K-10311S | 2W 3 / 4", 25Cv ball valve assy, stainless steel ball, stem, 2-10 V, NC, SR | Siemens
Brand: Siemens
SKU: 172K-10311S
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![Siemens 172K-10309 2W 3/4", 10Cv ball valve assy, chrome-plat brass ball, brass stem, 2-10 V NC Sr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172K-10309_medium.jpg?v=1692718837)
172K-10309 | 2W 3 / 4", 10Cv ball valve assy, chrome-plat brass ball, brass stem, 2-10 V NC Sr | Siemens
Brand: Siemens
SKU: 172K-10309
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![Siemens 172K-10305 2W 1/2", 4Cv ball valve assy, chrome-plat brass ball & brass stem, 2-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172K-10305_medium.jpg?v=1692718841)
172K-10305 | 2W 1 / 2", 4Cv ball valve assy, chrome-plat brass ball & brass stem, 2-10V NC SR | Siemens
Brand: Siemens
SKU: 172K-10305
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![Siemens 172K-10302S 2W 1/2", 1Cv ball valve assembly, stainless steel ball and stem, 2-10 V, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172K-10302S_medium.jpg?v=1692718846)
172K-10302S | 2W 1 / 2", 1Cv ball valve assembly, stainless steel ball and stem, 2-10 V, NC, SR | Siemens
Brand: Siemens
SKU: 172K-10302S
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![Siemens 172G-10326 2W 1-1/2", 160Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172G-10326_medium.jpg?v=1692718805)
172G-10326 | 2W 1-1 / 2", 160Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Siemens
Brand: Siemens
SKU: 172G-10326
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![Siemens 172G-10325 2W 1-1/2", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/172G-10325_medium.jpg?v=1692718813)
172G-10325 | 2W 1-1 / 2", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Siemens
Brand: Siemens
SKU: 172G-10325
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