Siemens Non-spring return Spring return
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![Siemens 245-00231 Zone valve, 3-way, 1/2", 2.5 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_9bcba594-9388-43a4-a80e-a555f7611805_medium.jpg?v=1723872687)
245-00231 | Zone valve, 3-way, 1 / 2", 2.5 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00231
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![Siemens 245-00230 Zone valve, 3-way, 1/2", 1.0 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_96953e2e-01e8-4c06-a830-e2328fcf0e75_medium.jpg?v=1723872686)
245-00230 | Zone valve, 3-way, 1 / 2", 1.0 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00230
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![Siemens 245-00214 Zone valve, 2-way, 1/2", 4.0 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_c8a72dde-acf8-4416-9824-eed31d7d6f15_medium.jpg?v=1723872700)
245-00214 | Zone valve, 2-way, 1 / 2", 4.0 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00214
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![Siemens 245-00213 Zone valve, 2-way, 1", 7.0 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_3d707247-14dc-448e-a02c-2f304dc24a91_medium.jpg?v=1723872690)
245-00213 | Zone valve, 2-way, 1", 7.0 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00213
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![Siemens 245-00212 Zone valve, 2-way, 3/4", 4.1 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_7032dd8e-8ff0-441a-81d1-edf47684c546_medium.jpg?v=1723872700)
245-00212 | Zone valve, 2-way, 3 / 4", 4.1 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00212
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![Siemens 245-00210 Zone valve, 2-way, 1/2", 1.0 Cv, NPT w/ 24Vac 0-10Vdc NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_11b9f887-8a00-43a5-9c3d-0aedcffd092f_medium.jpg?v=1723872695)
245-00210 | Zone valve, 2-way, 1 / 2", 1.0 Cv, NPT w / 24Vac 0-10Vdc NSR actuator | Siemens
Brand: Siemens
SKU: 245-00210
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![Siemens 244-00534 Zone valve, 3-way, 1/2", 4.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_e12d35ce-217e-42d9-8ac0-f9f217bf17cc_medium.jpg?v=1723872725)
244-00534 | Zone valve, 3-way, 1 / 2", 4.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00534
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![Siemens 244-00533 Zone valve, 3-way, 1", 7.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_958d2c83-d31e-4f33-b1b1-de79cd8cbaeb_medium.jpg?v=1723872683)
244-00533 | Zone valve, 3-way, 1", 7.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00533
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![Siemens 244-00532 Zone valve, 3-way, 3/4", 4.1 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_83a9e43e-7475-40d8-81aa-7a29cd3ef137_medium.jpg?v=1723872684)
244-00532 | Zone valve, 3-way, 3 / 4", 4.1 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00532
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![Siemens 244-00531 Zone valve, 3-way, 1/2", 2.5 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_1d52661d-5397-4899-8d08-f23531f410ac_medium.jpg?v=1723872697)
244-00531 | Zone valve, 3-way, 1 / 2", 2.5 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00531
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![Siemens 244-00530 Zone valve, 3-way, 1/2", 1.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44689_en_b0df9ae3-52e0-4e46-9aee-de83bb368645_medium.jpg?v=1723872694)
244-00530 | Zone valve, 3-way, 1 / 2", 1.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00530
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![Siemens 244-00514 Zone valve, 2-way, 1/2", 4.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44677_en_5989d710-db06-409c-b9aa-d1f4f7268bbd_medium.jpg?v=1723872694)
244-00514 | Zone valve, 2-way, 1 / 2", 4.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00514
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![Siemens 244-00513 Zone valve, 2-way, 1", 7.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44677_en_63a230f2-5f5a-429f-b9b4-473cbdd4f406_medium.jpg?v=1723872698)
244-00513 | Zone valve, 2-way, 1", 7.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00513
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![Siemens 244-00512 Zone valve, 2-way, 3/4", 4.1 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44677_en_b05624cb-2498-473b-82bc-fc1b89b9d278_medium.jpg?v=1723872691)
244-00512 | Zone valve, 2-way, 3 / 4", 4.1 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00512
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![Siemens 244-00511 Zone valve, 2-way, 1/2", 2.5 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_968f7bcf-e836-41b4-92e7-8630aa8c943e_medium.jpg?v=1723872694)
244-00511 | Zone valve, 2-way, 1 / 2", 2.5 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00511
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![Siemens 244-00510 Zone valve, 2-way, 1/2", 1.0 Cv, SWT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44677_en_e7fb6ae1-7795-4d2e-9e0e-41180fa1c526_medium.jpg?v=1723872697)
244-00510 | Zone valve, 2-way, 1 / 2", 1.0 Cv, SWT w / 24V floating NSR actuator | Siemens (OBSOLETE)
Brand: Siemens
SKU: 244-00510
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![Siemens 244-00234 Zone valve, 3-way, 1/2", 4.0 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_db6a10c3-924c-41fc-b27f-570fda0214d0_medium.jpg?v=1723872693)
244-00234 | Zone valve, 3-way, 1 / 2", 4.0 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00234
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![Siemens 244-00233 Zone valve, 3-way, 1", 7.0 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_medium.jpg?v=1723872671)
244-00233 | Zone valve, 3-way, 1", 7.0 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00233
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![Siemens 244-00232 Zone valve, 3-way, 3/4", 4.1 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_5c12cce5-0df7-45ac-8b63-6ea2eac26fe6_medium.jpg?v=1723872697)
244-00232 | Zone valve, 3-way, 3 / 4", 4.1 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00232
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![Siemens 244-00231 Zone valve, 3-way, 1/2", 2.5 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_88b214b6-3917-4a08-9e5b-ad3bbdb35be7_medium.jpg?v=1723872687)
244-00231 | Zone valve, 3-way, 1 / 2", 2.5 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00231
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![Siemens 244-00230 Zone valve, 3-way, 1/2", 1.0 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44686_en_e13d0c93-48cd-4c5d-8bdf-591dbf6c45f3_medium.jpg?v=1723872680)
244-00230 | Zone valve, 3-way, 1 / 2", 1.0 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00230
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![Siemens 244-00214 Zone valve, 2-way, 1/2", 4.0 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44673_en_e9dba0bb-3fa6-495a-bc92-1ec873a82c80_medium.jpg?v=1723872692)
244-00214 | Zone valve, 2-way, 1 / 2", 4.0 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00214
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![Siemens 244-00213 Zone valve, 2-way, 1", 7.0 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_8ab80820-6730-40b0-bfb2-029555ebfb00_medium.jpg?v=1723872687)
244-00213 | Zone valve, 2-way, 1", 7.0 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00213
View Details
![Siemens 244-00211 Zone valve, 2-way, 1/2", 2.5 Cv, NPT w/ 24V floating NSR actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44674_en_805e81c0-c8e2-4463-887e-4544a4a20636_medium.jpg?v=1723872698)
244-00211 | Zone valve, 2-way, 1 / 2", 2.5 Cv, NPT w / 24V floating NSR actuator | Siemens
Brand: Siemens
SKU: 244-00211
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