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We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer SYS-03 Stainless Steel Y-Strainer | 3/4" pipe size | 800 psi WOG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sys_1000x1000_7ce4561e-00e9-4a5b-afd6-3dd51dd92b70_medium.gif?v=1719999876)
SYS-03 | Stainless Steel Y-Strainer | 3 / 4" pipe size | 800 psi WOG | Dwyer
Brand: Dwyer
SKU: SYS-03
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![Dwyer BYS-06 1-1/2" pipe size | 300 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_9e4c38ba-4134-425d-95b4-a774bfcfddf3_medium.jpg?v=1720007111)
BYS-06 | 1-1 / 2" pipe size | 300 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-06
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![Dwyer BYS-03 3/4" pipe size | 400 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_c588a9fa-669c-4cc1-8508-da449a7a4f4a_medium.jpg?v=1719998649)
BYS-03 | 3 / 4" pipe size | 400 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-03
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![Dwyer BYS-01 3/8" pipe size | 400 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_fec7a1ff-206b-481b-9c9b-577b10927c61_medium.jpg?v=1719998587)
BYS-01 | 3 / 8" pipe size | 400 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-01
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![Dwyer BYS-05 1-1/4" pipe size | 300 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_ab6d6766-be36-4ea4-b5ff-12e4392c610d_medium.jpg?v=1719998587)
BYS-05 | 1-1 / 4" pipe size | 300 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-05
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![Dwyer BYS-02 1/2" pipe size | 400 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_5aba1b74-7ac0-438f-bad8-85d9a9e89ad5_medium.jpg?v=1719998602)
BYS-02 | 1 / 2" pipe size | 400 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-02
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![Dwyer BBV-0N 2-valve block manifold | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-0_family_1000x1000_04c87889-67b7-4943-acf5-b886c1c344d2_medium.jpg?v=1719998518)
BBV-0N | 2-valve block manifold | Dwyer
Brand: Dwyer
SKU: BBV-0N
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![Dwyer BYS-04 1" pipe size | 300 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_72f78a33-7683-4986-8ddb-6493a1676ad2_medium.jpg?v=1719998612)
BYS-04 | 1" pipe size | 300 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-04
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![Dwyer BBV-0F Flanged 2-valve block manifold | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-0_family_1000x1000_903bd624-9215-435e-8d62-dc11f776c65d_medium.jpg?v=1719998527)
BBV-0F | Flanged 2-valve block manifold | Dwyer
Brand: Dwyer
SKU: BBV-0F
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![Dwyer BBV-22 5-valve manifold with top mounted vent valves. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-2_family_1000x1000_3a2764b0-d165-4c2f-9790-10372cfbac15_medium.jpg?v=1719998494)
BBV-22 | 5-valve manifold with top mounted vent valves. | Dwyer
Brand: Dwyer
SKU: BBV-22
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![Dwyer BBV-22F Flanged 5-valve manifold with top mounted vent valves. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-2_family_1000x1000_ebba3adb-36ba-4c29-bf77-b2d8b2746ddf_medium.jpg?v=1719998991)
BBV-22F | Flanged 5-valve manifold with top mounted vent valves. | Dwyer
Brand: Dwyer
SKU: BBV-22F
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![Dwyer BYS-00 1/4" pipe size | 400 psi maximum pressure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bys_medium.jpg?v=1719998573)
BYS-00 | 1 / 4" pipe size | 400 psi maximum pressure | Dwyer
Brand: Dwyer
SKU: BYS-00
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![Dwyer BBV-21 5-valve manifold with side mounted vent valves. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-2_family_1000x1000_47ad7688-07b2-40de-9e89-47276ce13882_medium.jpg?v=1719998524)
BBV-21 | 5-valve manifold with side mounted vent valves. | Dwyer
Brand: Dwyer
SKU: BBV-21
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![Dwyer BBV-1M Multiplanar 3-valve manifold | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-1_family_1000x1000_1_b785b197-8cab-4b12-b9f1-95e4c4db4c02_medium.jpg?v=1719998527)
BBV-1M | Multiplanar 3-valve manifold | Dwyer
Brand: Dwyer
SKU: BBV-1M
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![Dwyer BBV-21F Flanged 5-valve manifold with side mounted vent valves. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-2_family_1000x1000_7b1878b0-5134-47a1-a785-04c5fd05b755_medium.jpg?v=1719998524)
BBV-21F | Flanged 5-valve manifold with side mounted vent valves. | Dwyer
Brand: Dwyer
SKU: BBV-21F
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![Dwyer BBV-1B Mini 3-valve block manifold | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-1_family_1000x1000_1_a6a4e4ea-1ffe-4991-93ee-d24fc45c420e_medium.jpg?v=1719998553)
BBV-1B | Mini 3-valve block manifold | Dwyer
Brand: Dwyer
SKU: BBV-1B
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![Dwyer BBV-1F Flanged 3-valve block manifold. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-1_family_1000x1000_1_medium.jpg?v=1719998494)
BBV-1F | Flanged 3-valve block manifold. | Dwyer
Brand: Dwyer
SKU: BBV-1F
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![Dwyer BBV-1D Double flanged 3-valve block manifold | 316SS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-1_family_1000x1000_1_ba0c006e-2e4f-4c7b-abc1-e1ff8746bdd6_medium.jpg?v=1719998498)
BBV-1D | Double flanged 3-valve block manifold | 316SS | Dwyer
Brand: Dwyer
SKU: BBV-1D
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![Dwyer BBV-1 3-valve block manifold. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bbv-1_family_1000x1000_1_8f85a3ae-1064-430a-a52a-c4499cc675ac_medium.jpg?v=1719998552)
BBV-1 | 3-valve block manifold. | Dwyer
Brand: Dwyer
SKU: BBV-1
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![Dwyer 3ZV20314 3-way zone valve | 3/4" NPT | 24 VAC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3zv2_medium.jpg?v=1719997763)
3ZV20314 | 3-way zone valve | 3 / 4" NPT | 24 VAC. | Dwyer
Brand: Dwyer
SKU: 3ZV20314
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![Dwyer ZV20512 2-way zone valve | 1-1/4" NPT | 120 VAC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zv2_9fbc53c6-f3b0-41ed-82d4-2d9f788b9aa5_medium.jpg?v=1720000252)
ZV20512 | 2-way zone valve | 1-1 / 4" NPT | 120 VAC. | Dwyer
Brand: Dwyer
SKU: ZV20512
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![Dwyer 3ZV20312 3-way zone valve | 3/4" NPT | 120 VAC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3zv2_4a4570bb-21ae-427d-91fc-d916c0e0169c_medium.jpg?v=1719997782)
3ZV20312 | 3-way zone valve | 3 / 4" NPT | 120 VAC. | Dwyer
Brand: Dwyer
SKU: 3ZV20312
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![Dwyer ZV1243-NO Two-way zone valve | 1" BSPT | 230 VAC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zv1_629b7da1-8a0c-415c-a962-8b1d58cf620b_medium.jpg?v=1720000287)
ZV1243-NO | Two-way zone valve | 1" BSPT | 230 VAC. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: ZV1243-NO
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![Dwyer ZV1242-NO Two-way zone valve | 1" BSPT | 120 VAC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zv1_f3888534-d1bb-4eae-9732-f057d2a0b9f3_medium.jpg?v=1720000232)
ZV1242-NO | Two-way zone valve | 1" BSPT | 120 VAC. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: ZV1242-NO
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