zone dampers
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![iO HVAC Controls EB-2614 Electronic 26 x 14 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_d7865064-7412-4afa-a996-b906e7c7dfa7_medium.jpg?v=1719992281)
EB-2614 | Electronic 26 x 14 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2614
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![iO HVAC Controls HD-2612 Rectangular 26 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_00a112c6-15af-4b5a-bcc8-125a2d354b40_medium.jpg?v=1719992281)
HD-2612 | Rectangular 26 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2612
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![iO HVAC Controls HD-2820 Rectangular 28 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_b8b8e1e7-9cc3-4842-b3b0-9221263aa308_medium.jpg?v=1719992281)
HD-2820 | Rectangular 28 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2820
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![iO HVAC Controls HD-3812 38 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX_98e064d9-016f-48fc-aa31-0512c5b71bea_medium.jpg?v=1719992281)
HD-3812 | 38 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3812
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![iO HVAC Controls HD-1808 Rectangular 18 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f9c89336-f88a-4a34-be7e-99c6f7a87148_medium.jpg?v=1719992281)
HD-1808 | Rectangular 18 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1808
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![iO HVAC Controls HD-1814-BM Rectangular 18 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a4414f5a-ddb6-4eba-844b-74b6b4967546_medium.jpg?v=1719992280)
HD-1814-BM | Rectangular 18 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1814-BM
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![iO HVAC Controls HD-2410 Rectangular 24 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f4f65e7b-be5c-4ede-8601-b5dc080321e8_medium.jpg?v=1719992280)
HD-2410 | Rectangular 24 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2410
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![iO HVAC Controls HD-2614-BM Rectangular 26 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_39fd66bd-1881-4dbc-9f91-25deae98e4dc_medium.jpg?v=1719992281)
HD-2614-BM | Rectangular 26 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2614-BM
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![iO HVAC Controls HD-3020 Rectangular 30 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_01f332e7-ad9c-48bf-99c8-124b31fbf4eb_medium.jpg?v=1719992280)
HD-3020 | Rectangular 30 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3020
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![iO HVAC Controls D-Z1-1610-BM 16 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_2bd24efb-7238-4307-af53-04229968cc1e_medium.jpg?v=1719992276)
D-Z1-1610-BM | 16 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1610-BM
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![iO HVAC Controls EB-2618 Electronic 26 x 18 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_0cfea76d-d45a-4b6a-9b89-bd83acec10bd_medium.jpg?v=1719992276)
EB-2618 | Electronic 26 x 18 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2618
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![iO HVAC Controls HD-1412-BM-PO 14 x 12 Two-Position Zone Damper - Bottom Mounted - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1229fdf9-d86a-4c29-aca5-fc5e6a1317bc_medium.jpg?v=1719992276)
HD-1412-BM-PO | 14 x 12 Two-Position Zone Damper - Bottom Mounted - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1412-BM-PO
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![iO HVAC Controls HD-2412-PO 24 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX_7338cc79-2ab9-4ff9-8dd6-fc80774833dd_medium.jpg?v=1719992276)
HD-2412-PO | 24 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2412-PO
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![iO HVAC Controls D-Z1-2212-BM 22 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_72ee1161-2071-42e8-9428-3a28a52047ca_medium.jpg?v=1719992276)
D-Z1-2212-BM | 22 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2212-BM
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![iO HVAC Controls HD-3010 Rectangular 30 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_49e66e94-32f8-46f3-9aa0-df3d949765ad_medium.jpg?v=1719992281)
HD-3010 | Rectangular 30 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3010
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![iO HVAC Controls HD-1610-PO 16 x 10 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_aa196131-fbb1-4018-a542-356319fddd9f_medium.jpg?v=1719992275)
HD-1610-PO | 16 x 10 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1610-PO
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![iO HVAC Controls HD-2618 Rectangular 26 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e5ea86f2-eb92-4691-878d-5272f379cbf4_medium.jpg?v=1719992276)
HD-2618 | Rectangular 26 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2618
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![iO HVAC Controls HD-BM-NA-1816 18 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_07b3729d-6ab8-41fa-a0a6-0e41bc057c71_medium.png?v=1719992277)
HD-BM-NA-1816 | 18 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-1816
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![iO HVAC Controls HD-BM-NA-2010 20 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_1a9d2cf3-8972-4691-8c8a-3631cfbe6e15_medium.png?v=1719992276)
HD-BM-NA-2010 | 20 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-2010
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![iO HVAC Controls HD-2414 Rectangular 24 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_216a418e-f8fe-4aab-996e-b1b8e3839313_medium.jpg?v=1719992275)
HD-2414 | Rectangular 24 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2414
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![iO HVAC Controls HD-2814 Rectangular 28 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_919e42a4-bb59-494d-a5b2-dd1e0d7c3b94_medium.jpg?v=1719992271)
HD-2814 | Rectangular 28 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2814
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![iO HVAC Controls HD-BM-NA-1608 16 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_fc06bbd2-c027-4b06-ac30-1cb3684e7442_medium.png?v=1719992276)
HD-BM-NA-1608 | 16 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-1608
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![iO HVAC Controls HD-BM-NA-2420 24 x 20 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_933d8489-a81c-4c92-9a5f-5c64f226e1e1_medium.png?v=1719992272)
HD-BM-NA-2420 | 24 x 20 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2420
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![iO HVAC Controls HD-BM-NA-1612 16 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_94a9161c-6d0a-4c84-931a-d678efa163fe_medium.png?v=1719992272)
HD-BM-NA-1612 | 16 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-1612
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