Dwyer Pressure Category/type
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 1235-20-W/M Well-type manometer | range 0-20 | 18 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_39982f13-e8b9-4294-9cf5-72675c5538cb_medium.jpg?v=1719997547)
1235-20-W / M | Well-type manometer | range 0-20 | 18 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1235-20-W/M
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![Dwyer 1235-20-D Well-type manometer | range 0-20 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_51472148-c677-4a67-b2eb-a1f9d82f0470_medium.jpg?v=1719997667)
1235-20-D | Well-type manometer | range 0-20 | Dwyer
Brand: Dwyer
SKU: 1235-20-D
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![Dwyer 1235-16-W/M Well-type manometer | range 0-16 | 16 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_c4bbb5ff-f70e-404c-aab3-6a9a67f2f3b9_medium.jpg?v=1719997552)
1235-16-W / M | Well-type manometer | range 0-16 | 16 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1235-16-W/M
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![Dwyer 1235-16-D Well-type manometer | range 0-16. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_14f64358-d015-4ff2-942f-6f6af725d511_medium.jpg?v=1719997758)
1235-16-D | Well-type manometer | range 0-16. | Dwyer
Brand: Dwyer
SKU: 1235-16-D
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![Dwyer 1235-12-W/M Well-type manometer | range 0-12 | 14 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_4ba47ffd-85a9-4d24-b987-36afe8abf7dc_medium.jpg?v=1719997558)
1235-12-W / M | Well-type manometer | range 0-12 | 14 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1235-12-W/M
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![Dwyer 1235-12-D Well-type manometer | range 0-12. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_c81684d9-db4a-438c-8e4d-e5765d6fd4da_medium.jpg?v=1719997572)
1235-12-D | Well-type manometer | range 0-12. | Dwyer
Brand: Dwyer
SKU: 1235-12-D
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![Dwyer 1230-20-W/M Well-type manometer | range 0-20 | 18 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_7e3ddd5b-db27-4c23-8b5e-f57f9ffb3e8c_medium.jpg?v=1719997552)
1230-20-W / M | Well-type manometer | range 0-20 | 18 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1230-20-W/M
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![Dwyer 1230-20-D Well-type manometer | range 0-20. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_e85ded68-45e0-4801-9c38-f0f105e6bd9d_medium.jpg?v=1719997557)
1230-20-D | Well-type manometer | range 0-20. | Dwyer
Brand: Dwyer
SKU: 1230-20-D
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![Dwyer 1230-16-W/M Well-type manometer | range 0-16 | 16 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_758cafb5-f069-43bc-a1d9-201d1bc25419_medium.jpg?v=1719997578)
1230-16-W / M | Well-type manometer | range 0-16 | 16 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1230-16-W/M
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![Dwyer 1230-16-D Well-type manometer | range 0-16. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_3fa8ad87-7330-4f3d-9f4a-23b84865c25a_medium.jpg?v=1719997552)
1230-16-D | Well-type manometer | range 0-16. | Dwyer
Brand: Dwyer
SKU: 1230-16-D
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![Dwyer 1230-12-W/M Well-type manometer | range 0-12 | 14 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_f4fad41c-95ef-4dd1-8b6e-d8f95d028e05_medium.jpg?v=1719997597)
1230-12-W / M | Well-type manometer | range 0-12 | 14 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1230-12-W/M
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![Dwyer 1230-12-D Well-type manometer | range 0-12. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_6d420311-eb7e-465c-915c-5ca03e50e130_medium.jpg?v=1719997572)
1230-12-D | Well-type manometer | range 0-12. | Dwyer
Brand: Dwyer
SKU: 1230-12-D
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![Dwyer 1230-8-W/M Well-type manometer | range 0-8 | 12 oz mercury required. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_b24208ae-a009-4059-81c7-1efa972ad5d1_medium.jpg?v=1719997611)
1230-8-W / M | Well-type manometer | range 0-8 | 12 oz mercury required. | Dwyer
Brand: Dwyer
SKU: 1230-8-W/M
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![Dwyer 1230-8-D Well-type manometer | range 0-8. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1230-1235_1000x1000_27f4c8da-c05d-4774-ba1f-917f1972bf50_medium.jpg?v=1719997558)
1230-8-D | Well-type manometer | range 0-8. | Dwyer
Brand: Dwyer
SKU: 1230-8-D
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![Dwyer 1223-M1000-W/M U-tube manometer | range 500-0-500 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_eadd06f4-c131-4d32-b4b4-a242916a49dd_medium.gif?v=1719997636)
1223-M1000-W / M | U-tube manometer | range 500-0-500 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M1000-W/M
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![Dwyer 1223-M400-W/M U-tube manometer | range 200-0-200 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_081898fd-9e9c-41eb-a0ab-15821b456105_medium.gif?v=1719997621)
1223-M400-W / M | U-tube manometer | range 200-0-200 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M400-W/M
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![Dwyer 1223-M600-D U-tube manometer | range 300-0-300 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_ff86fd38-face-4de9-ab8f-d872d39a10a9_medium.gif?v=1719997647)
1223-M600-D | U-tube manometer | range 300-0-300 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M600-D
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![Dwyer 1223-M300-W/M U-tube manometer | range 150-0-150 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_ea2c758e-8d25-46ef-b742-4f6367734738_medium.gif?v=1719997602)
1223-M300-W / M | U-tube manometer | range 150-0-150 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M300-W/M
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![Dwyer 1223-M400-D U-tube manometer | range 200-0-200 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_499ef4da-3498-45b3-be4f-3130d1259df8_medium.gif?v=1719997557)
1223-M400-D | U-tube manometer | range 200-0-200 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M400-D
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![Dwyer 1223-M1000-D U-tube manometer | range 500-0-500 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_8b6fafce-42ca-4197-b223-5456121f308d_medium.gif?v=1719997543)
1223-M1000-D | U-tube manometer | range 500-0-500 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M1000-D
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![Dwyer 1223-M300-D U-tube manometer | range 150-0-150 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_bb7b3af5-3de3-431f-b9fc-201104d9d398_medium.gif?v=1719997606)
1223-M300-D | U-tube manometer | range 150-0-150 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M300-D
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![Dwyer 1223-M200-W/M U-tube manometer | range 100-0-100 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1221_1222_1223_family_1000x1000_1_060510b5-7120-4226-bd2f-23e3623da6e6_medium.gif?v=1719997553)
1223-M200-W / M | U-tube manometer | range 100-0-100 mm w.c. | Dwyer
Brand: Dwyer
SKU: 1223-M200-W/M
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