Siemens 0.5" - 2 way Valve size
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![Siemens 259-02025 Valve assy NC 1/2" 4.0Cv FxF SS Trim Elect Act NSR float | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/259-02025_medium.jpg?v=1720021881)
259-02025 | Valve assy NC 1 / 2" 4.0Cv FxF SS Trim Elect Act NSR float | Siemens
Brand: Siemens
SKU: 259-02025
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![Siemens 259-02019 Valve assy NC 1/2" 1.0Cv FxF SS Trim Elect Act NSR float | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/259-02019_medium.jpg?v=1720021909)
259-02019 | Valve assy NC 1 / 2" 1.0Cv FxF SS Trim Elect Act NSR float | Siemens
Brand: Siemens
SKU: 259-02019
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![Siemens 258-02008C MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1/2", FxF, 2.5Cv, 8-13psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/258-02008C_medium.jpg?v=1720021865)
258-02008C | MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1 / 2", FxF, 2.5Cv, 8-13psi SR | Siemens
Brand: Siemens
SKU: 258-02008C
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![Siemens 257-02009B MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1/2", FxUM, 2.5Cv, 3-8psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/257-02009B_medium.jpg?v=1720021864)
257-02009B | MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1 / 2", FxUM, 2.5Cv, 3-8psi SR | Siemens
Brand: Siemens
SKU: 257-02009B
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![Siemens 257-02004B MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1/2", FxF, 1 Cv, 3-8psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/257-02004B_medium.jpg?v=1720021861)
257-02004B | MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1 / 2", FxF, 1 Cv, 3-8psi SR | Siemens
Brand: Siemens
SKU: 257-02004B
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![Siemens 256-02006 MT Series 2W Valve Asy, ANSI 250, NC, Mod Eq Pct, 1/2" FxF, 1.6 Cv, 10-15psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/256-02006_medium.jpg?v=1720021855)
256-02006 | MT Series 2W Valve Asy, ANSI 250, NC, Mod Eq Pct, 1 / 2" FxF, 1.6 Cv, 10-15psi SR | Siemens
Brand: Siemens
SKU: 256-02006
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![Siemens 255-01110 MZ Series 2W Valve Assy, ANSI 250, NC, Linear, 1/2 In FxF, 4 Cv, El/Mech | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/255-01110_medium.jpg?v=1720021834)
255-01110 | MZ Series 2W Valve Assy, ANSI 250, NC, Linear, 1 / 2 In FxF, 4 Cv, El / Mech | Siemens
Brand: Siemens
SKU: 255-01110
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![Siemens 242-00214 Zone valve, 2-way, 1/2", 4.0 Cv, NPT w/ 24V 2-position SR actuator fails NC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/242-00214_medium.jpg?v=1720021745)
242-00214 | Zone valve, 2-way, 1 / 2", 4.0 Cv, NPT w / 24V 2-position SR actuator fails NC | Siemens
Brand: Siemens
SKU: 242-00214
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![Siemens 240-00210 Zone valve, 2-way, 1/2", 1.0 Cv, NPT w/ 115V 2-position SR actuator fails NC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/240-00210_medium.jpg?v=1720021740)
240-00210 | Zone valve, 2-way, 1 / 2", 1.0 Cv, NPT w / 115V 2-position SR actuator fails NC | Siemens
Brand: Siemens
SKU: 240-00210
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![Siemens 231-04301-3.5 PICV, 1/2 inch, 3.5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/231-04301-3.5_medium.jpg?v=1720021685)
231-04301-3.5 | PICV, 1 / 2 inch, 3.5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Siemens
Brand: Siemens
SKU: 231-04301-3.5
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![Siemens 172L-10307 2W 1/2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172L-10307_medium.jpg?v=1720021574)
172L-10307 | 2W 1 / 2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172L-10307
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![Siemens 172H-10307 2W 1/2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172H-10307_medium.jpg?v=1720021568)
172H-10307 | 2W 1 / 2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172H-10307
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![Siemens 171K-10304 2W 1/2", 2.5Cv ball valve assy, chrm-plat brass ball & brass stem, 2-10V NO SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171K-10304_medium.jpg?v=1720021509)
171K-10304 | 2W 1 / 2", 2.5Cv ball valve assy, chrm-plat brass ball & brass stem, 2-10V NO SR | Siemens
Brand: Siemens
SKU: 171K-10304
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![Siemens 171C-10305 2W 1/2", 4Cv ball valve assy, chrome-plated brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10305_medium.jpg?v=1720021400)
171C-10305 | 2W 1 / 2", 4Cv ball valve assy, chrome-plated brass ball & brass stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171C-10305
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![Siemens 171C-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/171C-10304_medium.jpg?v=1720021418)
171C-10304 | 2W 1 / 2", 2.5Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171C-10304
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![Siemens 171C-10301 2W 1/2", 0.63Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10301_medium.jpg?v=1720021421)
171C-10301 | 2W 1 / 2", 0.63Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171C-10301
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![Siemens 171A-10303 2W 1/2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171A-10303_medium.jpg?v=1720021399)
171A-10303 | 2W 1 / 2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, float NSR | Siemens
Brand: Siemens
SKU: 171A-10303
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![Siemens 171A-10300 2W 1/2", 0.4Cv ball valve assy, chrome-plat brass ball & brass stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171A-10300_medium.jpg?v=1720021421)
171A-10300 | 2W 1 / 2", 0.4Cv ball valve assy, chrome-plat brass ball & brass stem, float NSR | Siemens
Brand: Siemens
SKU: 171A-10300
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![Siemens 599-04321-2 599-04321-2, 1/2 PICV, 2 GPM NO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04321-2.5_medium.jpg?v=1720022732)
599-04321-2 | 599-04321-2, 1 / 2 PICV, 2 GPM NO | Siemens
Brand: Siemens
SKU: 599-04321-2
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![Siemens 230-04321-5.5 230-04321-5.5, 1/2 PICV, 5.5 GPM + 3P NSR NO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/230-04321-5.5_medium.jpg?v=1720021685)
230-04321-5.5 | 230-04321-5.5, 1 / 2 PICV, 5.5 GPM + 3P NSR NO | Siemens
Brand: Siemens
SKU: 230-04321-5.5
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![Siemens 365-02036 MT Series 2W Valve asy ANSI 250 NO ModEqPct 1/2" FxF 1.6Cv 24V 0-10V/4-20mA SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/365-02036_medium.jpg?v=1720022513)
365-02036 | MT Series 2W Valve asy ANSI 250 NO ModEqPct 1 / 2" FxF 1.6Cv 24V 0-10V / 4-20mA SR | Siemens
Brand: Siemens
SKU: 365-02036
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![Siemens 365-02008 MT Series 2W Valve asy ANSI 250 NC ModEqPct 1/2" FxF 2.5Cv 24V 0-10V/4-20mA SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/365-02008_medium.jpg?v=1720022555)
365-02008 | MT Series 2W Valve asy ANSI 250 NC ModEqPct 1 / 2" FxF 2.5Cv 24V 0-10V / 4-20mA SR | Siemens
Brand: Siemens
SKU: 365-02008
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![Siemens 365-02006 MT Series 2W Valve asy ANSI 250 NC ModEqPct 1/2" FxF 1.6Cv 24V 0-10V/4-20mA SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/365-02006_medium.jpg?v=1720022507)
365-02006 | MT Series 2W Valve asy ANSI 250 NC ModEqPct 1 / 2" FxF 1.6Cv 24V 0-10V / 4-20mA SR | Siemens
Brand: Siemens
SKU: 365-02006
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![Siemens 365-02004 MT Series 2W Valve assy ANSI 250 NC Mod Eq Pct 1/2" FxF 1Cv 24V 0-10V/4-20mA SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/365-02004_medium.jpg?v=1720022457)
365-02004 | MT Series 2W Valve assy ANSI 250 NC Mod Eq Pct 1 / 2" FxF 1Cv 24V 0-10V / 4-20mA SR | Siemens
Brand: Siemens
SKU: 365-02004
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