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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 A3000-750PA Pressure switch/gage | range 0-750 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_4202bb78-fe23-458e-91f7-c35a31c9ec0c_medium.jpg?v=1719998251)
A3000-750PA | Pressure switch / gage | range 0-750 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-750PA
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![Dwyer A3000-50MM Pressure switch/gage | range 0-50 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_4935dd9a-257a-43d5-bc36-bdc0db5affde_medium.jpg?v=1719998240)
A3000-50MM | Pressure switch / gage | range 0-50 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-50MM
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![Dwyer A3000-8CM Pressure switch/gage | range 0-8 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_0a73043b-666c-43c1-bafb-9000dc6187da_medium.jpg?v=1719998280)
A3000-8CM | Pressure switch / gage | range 0-8 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-8CM
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![Dwyer A3000-5KPA Pressure switch/gage | range 0-5 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_66f7ac10-0053-46c7-b4e4-fa9aa6e728e8_medium.jpg?v=1719998245)
A3000-5KPA | Pressure switch / gage | range 0-5 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-5KPA
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![Dwyer A3300-4CM Pressure switch/gage | range 2-0-2 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_c2ac1d14-8a36-426e-a6ee-cb54d99207d1_medium.jpg?v=1719998325)
A3300-4CM | Pressure switch / gage | range 2-0-2 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3300-4CM
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![Dwyer A3000-50CM Pressure switch/gage | range 0-50 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_a5c252c5-25ab-441b-9328-d91b512bf2e0_medium.jpg?v=1719998235)
A3000-50CM | Pressure switch / gage | range 0-50 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-50CM
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![Dwyer A3000-5CM Pressure switch/gage | range 0-5 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_d74e9532-3342-48ce-a387-31953cb619ba_medium.jpg?v=1719998261)
A3000-5CM | Pressure switch / gage | range 0-5 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-5CM
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![Dwyer A3000-2CM Pressure switch/gage | range 0-2 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_9b3a5032-7cef-42da-9370-6dbe93ca8682_medium.jpg?v=1719998211)
A3000-2CM | Pressure switch / gage | range 0-2 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-2CM
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![Dwyer A3000-500PA Pressure switch/gage | range 0-500 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_03aca68c-a7dc-4901-b23f-1a75dca6edaa_medium.jpg?v=1719998215)
A3000-500PA | Pressure switch / gage | range 0-500 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-500PA
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![Dwyer A3000-1CM Pressure switch/gage | range 0-1 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_c095699a-0a87-43bf-8b69-ce0904ae794e_medium.jpg?v=1719998254)
A3000-1CM | Pressure switch / gage | range 0-1 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-1CM
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![Dwyer A3000-4KPA Pressure switch/gage | range 0-4 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_ee7aa4a1-8ffc-4db6-952f-0a0e4e84d7a8_medium.jpg?v=1719998260)
A3000-4KPA | Pressure switch / gage | range 0-4 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-4KPA
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![Dwyer A3300-20CM Pressure switch/gage | range 10-0-10 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_ac83b63f-818d-4f29-819e-08763dda9479_medium.jpg?v=1719998346)
A3300-20CM | Pressure switch / gage | range 10-0-10 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3300-20CM
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![Dwyer A3000-30CM Pressure switch/gage | range 0-30 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_6ede53c8-fa0c-4074-b1a0-73f8855c62a0_medium.jpg?v=1719998346)
A3000-30CM | Pressure switch / gage | range 0-30 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-30CM
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![Dwyer A3000-3KPA Pressure switch/gage | range 0-3 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_5df24a7d-1e84-4461-bd0b-df583b98f58a_medium.jpg?v=1719998231)
A3000-3KPA | Pressure switch / gage | range 0-3 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-3KPA
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![Dwyer A3000-25MM Pressure switch/gage | range 0-25 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_7b44af74-43b6-413e-8cdd-f470fc4340b0_medium.jpg?v=1719998245)
A3000-25MM | Pressure switch / gage | range 0-25 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-25MM
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![Dwyer A3000-30KPA Pressure switch/gage | range 0-30 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_703d8814-db54-4ae9-ac97-f6f04148a2c5_medium.jpg?v=1719998304)
A3000-30KPA | Pressure switch / gage | range 0-30 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-30KPA
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![Dwyer A3000-40CM Pressure switch/gage | range 0-40 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_a834e103-0f24-4c71-8607-b32739bbd03a_medium.jpg?v=1719998255)
A3000-40CM | Pressure switch / gage | range 0-40 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-40CM
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![Dwyer A3000-25KPA Pressure switch/gage | range 0-25 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_0eb67ab0-0649-490a-a730-f75a8b7989bb_medium.jpg?v=1719998231)
A3000-25KPA | Pressure switch / gage | range 0-25 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-25KPA
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![Dwyer A3000-300CM Pressure switch/gage | range 0-300 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_3cecaee3-eaef-4ab4-8731-909ddd0657fe_medium.jpg?v=1719998241)
A3000-300CM | Pressure switch / gage | range 0-300 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-300CM
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![Dwyer A3000-250MM Pressure switch/gage | range 0-250 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_bd4375fb-3e0c-4d08-80de-cd6bdb4d9721_medium.jpg?v=1719998230)
A3000-250MM | Pressure switch / gage | range 0-250 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-250MM
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![Dwyer A3000-10CM Pressure switch/gage | range 0-10 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_46951815-6e5c-4c40-9676-f46e19140f21_medium.jpg?v=1719998241)
A3000-10CM | Pressure switch / gage | range 0-10 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-10CM
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![Dwyer A3000-20KPA Pressure switch/gage | range 0-20 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_da2089ba-5d66-4346-aa38-4a99c38fdab3_medium.jpg?v=1719998211)
A3000-20KPA | Pressure switch / gage | range 0-20 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-20KPA
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![Dwyer A3000-150MM Pressure switch/gage | range 0-150 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_7d59beb4-c4d2-4161-9f25-eb8757e9ebb6_medium.jpg?v=1719998220)
A3000-150MM | Pressure switch / gage | range 0-150 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-150MM
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![Dwyer A3000-25CM Pressure switch/gage | range 0-25 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_55019b04-fde4-44b6-8c94-c2e1241bab9b_medium.jpg?v=1719998255)
A3000-25CM | Pressure switch / gage | range 0-25 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-25CM
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