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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 A3000-500PA 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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![Dwyer A3000-250PA Pressure switch/gage | range 0-250 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_9fff3461-f7a9-4ca4-8790-3d8dfd212443_medium.jpg?v=1719998221)
A3000-250PA | Pressure switch / gage | range 0-250 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-250PA
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![Dwyer A3000-20CM Pressure switch/gage | range 0-20 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_19666b71-0931-4b8d-b6b1-82171ecf7663_medium.jpg?v=1719998220)
A3000-20CM | Pressure switch / gage | range 0-20 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-20CM
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![Dwyer A3000-200CM Pressure switch/gage | range 0-200 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_7ba954fb-e8de-4270-a943-4926b3ce51de_medium.jpg?v=1719998235)
A3000-200CM | Pressure switch / gage | range 0-200 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-200CM
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![Dwyer A3000-250CM Pressure switch/gage | range 0-250 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_9b49d05b-35da-49b9-a14f-0ba0bac00b14_medium.jpg?v=1719998225)
A3000-250CM | Pressure switch / gage | range 0-250 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-250CM
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![Dwyer A3000-1KPA Pressure switch/gage | range 0-1 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_60b7ae72-68ac-4c9d-9a02-069dde7c1d84_medium.jpg?v=1719998265)
A3000-1KPA | Pressure switch / gage | range 0-1 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-1KPA
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![Dwyer A3000-15KPA Pressure switch/gage | range 0-15 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_a82ab71a-9a68-42c2-b51b-b42057a5a30b_medium.jpg?v=1719998210)
A3000-15KPA | Pressure switch / gage | range 0-15 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-15KPA
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![Dwyer A3000-15CM Pressure switch/gage | range 0-15 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_34510966-2d99-4674-8b32-7047e66ac3e1_medium.jpg?v=1719998345)
A3000-15CM | Pressure switch / gage | range 0-15 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-15CM
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![Dwyer A3000-125PA Pressure switch/gage | range 0-125 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_85492196-3925-4b01-8dd0-ae12bd3995d6_medium.jpg?v=1719998265)
A3000-125PA | Pressure switch / gage | range 0-125 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-125PA
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