Io hvac controls Non-spring return Spring return
I/O HVAC controls and building automation systems for controlling HVAC equipment and integrating it with building management systems. Order now at Blackhawk Supply.
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![iO HVAC Controls EB-1810 Electronic Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_669717bc-a11e-4abe-a4b3-f68ba1bd12af_medium.jpg?v=1719992296)
EB-1810 | Electronic Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1810
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![iO HVAC Controls EB-1414 Electronic 14 x 14 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_155b8382-97d0-42c2-9da5-f5ae814e867e_medium.jpg?v=1719992231)
EB-1414 | Electronic 14 x 14 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1414
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![iO HVAC Controls CD-3208 Carrier 32 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_5856cd4e-8e41-47c0-b05a-bfcfb67a5a3c_medium.jpg?v=1719992121)
CD-3208 | Carrier 32 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3208
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![iO HVAC Controls CD-1608-BM Carrier 16 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_b62cc35e-4fb4-45c2-8c68-04088eeb4864_medium.jpg?v=1719992126)
CD-1608-BM | Carrier 16 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-1608-BM
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![iO HVAC Controls CD-08 Carrier 8" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_de1e0d6d-e519-4ddc-be91-bf121db39895_medium.jpg?v=1708912344)
CD-08 | Carrier 8" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-08
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![iO HVAC Controls CD-06 Carrier 6" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_18d2f76e-4044-4419-a878-0c2a83b4a551_medium.jpg?v=1708912348)
CD-06 | Carrier 6" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-06
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![iO HVAC Controls BV-10 Vertical 10" Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-BH_20BV_20group_47fbabc1-1ab4-4223-a602-291a1ed801e1_medium.jpg?v=1719992075)
BV-10 | Vertical 10" Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BV-10
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![iO HVAC Controls BH-10 Round 10" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_30c3a0e1-c18c-43ca-a918-f3ce7cce8f90_medium.jpg?v=1708912344)
BH-10 | Round 10" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-10
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![iO HVAC Controls RM-3008 Rheem 30 x 08 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_6d4cebf1-56f7-4ac5-8880-e15c6c334feb_medium.jpg?v=1719992448)
RM-3008 | Rheem 30 x 08 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3008
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![iO HVAC Controls RM-2818 Rheem 28 x 18 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_328b5414-8457-472b-82ee-33b1984a14b2_medium.jpg?v=1719992503)
RM-2818 | Rheem 28 x 18 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2818
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![iO HVAC Controls RM-2626 Rheem 26 x 26 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_ed8511c2-a7ee-4f56-ad1d-6785daca5517_medium.jpg?v=1719992449)
RM-2626 | Rheem 26 x 26 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2626
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![iO HVAC Controls RM-2612 Rheem 26 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_0fdcb78f-a3cd-4f86-8284-7ac73e49b991_medium.jpg?v=1719992503)
RM-2612 | Rheem 26 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2612
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![iO HVAC Controls RM-2418-BM Rheem 24 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_92d17849-c236-4983-ac93-25493438cfb7_medium.jpg?v=1719992503)
RM-2418-BM | Rheem 24 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2418-BM
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![iO HVAC Controls RM-2414 Rheem 24 x 14 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_d1498c9a-2538-46da-8c76-4cad79831f2e_medium.jpg?v=1719992509)
RM-2414 | Rheem 24 x 14 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2414
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![iO HVAC Controls RM-2010 Rheem 20 x 10 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_56f5dd4b-737f-4822-b0bc-be12e27ddb64_medium.jpg?v=1719992419)
RM-2010 | Rheem 20 x 10 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2010
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![iO HVAC Controls RM-1812 Rheem 18 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_d00684e0-4197-4b81-a130-6df8cbf477c8_medium.jpg?v=1719992478)
RM-1812 | Rheem 18 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1812
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![iO HVAC Controls RM-1808 Rheem 18 x 08 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_2555afe2-67d5-4cf6-9560-d9dcd5e5df67_medium.jpg?v=1719992503)
RM-1808 | Rheem 18 x 08 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1808
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![iO HVAC Controls RM-1616 Rheem 16 x 16 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_39e0dd7e-c14d-4ae6-ad23-5b0ec26ae5d3_medium.jpg?v=1719992429)
RM-1616 | Rheem 16 x 16 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1616
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![iO HVAC Controls RM-1414 Rheem 14 x 14 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_f7515a3a-53d2-4a51-b8c0-b5e16b72271d_medium.jpg?v=1719992420)
RM-1414 | Rheem 14 x 14 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1414
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![iO HVAC Controls RM-1212 Rheem 12 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_71227dfd-437f-4835-ae7d-a50b197d6045_medium.jpg?v=1719992410)
RM-1212 | Rheem 12 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1212
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![iO HVAC Controls RM-1210 Rheem 12 x 10 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_064645cd-3a19-4c0d-91c7-ce25c8c494ef_medium.jpg?v=1719992433)
RM-1210 | Rheem 12 x 10 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1210
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![iO HVAC Controls RM-1006 Rheem 10 x 06 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_7ebcbcb2-1221-495d-8ea4-6e815b80d5b2_medium.jpg?v=1719992419)
RM-1006 | Rheem 10 x 06 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1006
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![iO HVAC Controls RM-16 Rheem 16" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRound_c227ec9b-aca3-4ffe-9e47-aec59a0fa434_medium.jpg?v=1719992424)
RM-16 | Rheem 16" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-16
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![iO HVAC Controls RM-14 Rheem 14" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRound_981dbd27-0f0f-4e0a-8fb8-5b233d649904_medium.jpg?v=1719992470)
RM-14 | Rheem 14" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-14
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