dampers
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![iO HVAC Controls HD-BM-NA-3008 30 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_7d6abb8c-5121-49d6-a5ec-00dd3defaf21_medium.png?v=1719992251)
HD-BM-NA-3008 | 30 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3008
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![iO HVAC Controls HD-BM-NA-2008 20 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_050e1b8f-2584-4dc9-92bd-d12697bd7586_medium.png?v=1719992247)
HD-BM-NA-2008 | 20 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2008
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![iO HVAC Controls HD-BM-NA-2610 26 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_24562fb8-defd-4a7e-8fa4-6039595ccb33_medium.png?v=1719992251)
HD-BM-NA-2610 | 26 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2610
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![iO HVAC Controls HD-BM-NA-2812 28 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_181365c3-ade5-40b0-872c-5b80253725df_medium.png?v=1719992251)
HD-BM-NA-2812 | 28 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2812
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![iO HVAC Controls EB-1210-BM 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_bdff6e11-4c69-420d-a14d-bd8f377803ab_medium.jpg?v=1719992251)
EB-1210-BM | 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1210-BM
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![iO HVAC Controls HD-BM-NA-2608 26 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_09e834c4-b34b-49cb-9432-671c80789343_medium.png?v=1719992247)
HD-BM-NA-2608 | 26 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2608
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![iO HVAC Controls HD-2220 Rectangular 22 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_59744ca5-f004-4362-86e5-eac34b18ee05_medium.jpg?v=1719992247)
HD-2220 | Rectangular 22 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2220
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![iO HVAC Controls HD-BM-NA-3212 32 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_51f39d2b-f71b-49c5-b73a-9d0ebe8de4a4_medium.png?v=1719992247)
HD-BM-NA-3212 | 32 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3212
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![iO HVAC Controls D-Z1-1616 Zone One 16 x 16 Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_b09a614e-2cda-4103-84c9-9b708d275871_medium.jpg?v=1719992251)
D-Z1-1616 | Zone One 16 x 16 Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1616
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![iO HVAC Controls HD-2214 Rectangular 22 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_11750cd9-d962-4b67-a9c9-d49b7e58b4e3_medium.jpg?v=1719992247)
HD-2214 | Rectangular 22 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2214
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![iO HVAC Controls HD-2212-BM Rectangular 22 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1370e60b-d8f4-45fa-a477-9932a5bff68a_medium.jpg?v=1719992247)
HD-2212-BM | Rectangular 22 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2212-BM
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![iO HVAC Controls EB-3612 Electronic 36 x 12 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_830b6a66-6e19-495a-8b70-86402e5a2f9b_medium.jpg?v=1719992246)
EB-3612 | Electronic 36 x 12 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3612
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![iO HVAC Controls HD-2218 Rectangular 22 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_d8c82bf9-81be-49e5-833d-b172000779be_medium.jpg?v=1719992247)
HD-2218 | Rectangular 22 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2218
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![iO HVAC Controls HD-2018-BM Rectangular 20 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_fac37ec3-fe24-4a4e-8225-107ee741d8a2_medium.jpg?v=1719992246)
HD-2018-BM | Rectangular 20 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2018-BM
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![iO HVAC Controls HD-2812-PO 28 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator- Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX_61c1ca7a-9e28-48e1-9401-65f3a46ecc84_medium.jpg?v=1719992242)
HD-2812-PO | 28 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator- Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812-PO
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![iO HVAC Controls HD-BM-NA-2618 26 x 18 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_7abdcbd0-926a-4575-85a1-d9441d496868_medium.png?v=1719992247)
HD-BM-NA-2618 | 26 x 18 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2618
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![iO HVAC Controls HD-BM-NA-1806 18 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_6247caa8-9161-42b3-b78d-bab04f189910_medium.png?v=1719992246)
HD-BM-NA-1806 | 18 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-1806
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![iO HVAC Controls HD-BM-NA-2414 24 x 14 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_b98c3c52-891d-451b-9bd9-4cfed3cf9460_medium.png?v=1719992242)
HD-BM-NA-2414 | 24 x 14 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2414
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![iO HVAC Controls HD-BM-NA-2612 26 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_910a5686-a01a-4726-b4ee-56f38423ac78_medium.png?v=1719992243)
HD-BM-NA-2612 | 26 x 12 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2612
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![iO HVAC Controls HD-BM-NA-2616 26 x 16 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_b12c6051-86a5-4058-b3aa-bf06df39a2e6_medium.png?v=1719992242)
HD-BM-NA-2616 | 26 x 16 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2616
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![iO HVAC Controls HD-BM-NA-2810 28 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_8e97aa60-8b6e-4d67-95be-8c8e36809d73_medium.png?v=1719992246)
HD-BM-NA-2810 | 28 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2810
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![iO HVAC Controls HD-2008-PO 20 x 08 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_379c0212-5b01-4e5d-8ebb-9d6a4b8b299f_medium.jpg?v=1719992246)
HD-2008-PO | 20 x 08 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2008-PO
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![iO HVAC Controls HD-2420-PO 24 x 20 Heavy-Duty Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_638a88c9-b506-4e0a-a9e8-c5b368d2797b_medium.jpg?v=1719992241)
HD-2420-PO | 24 x 20 Heavy-Duty Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2420-PO
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![iO HVAC Controls EB-1010 Electronic 10 x 10 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_245ecdeb-717e-4432-8881-5c83fab5be7e_medium.jpg?v=1719992241)
EB-1010 | Electronic 10 x 10 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1010
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