io hvac controls
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 CD-3220 32 x 20 Carrier/Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_97d6c517-1e32-4f29-92f8-f07b585cf885_medium.jpg?v=1719992085)
CD-3220 | 32 x 20 Carrier / Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3220
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![iO HVAC Controls CD-3024 30 x 24 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_efc4af00-076d-4398-aef7-fd4ed8f9798e_medium.jpg?v=1719992141)
CD-3024 | 30 x 24 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3024
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![iO HVAC Controls CD-3018 30 x 18 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_ade5ca9f-620c-4f56-97b3-af7cc0541e67_medium.jpg?v=1719992150)
CD-3018 | 30 x 18 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3018
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![iO HVAC Controls CD-3016 30 x 16 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_da58c7eb-60ac-41d3-9774-f4033664e60b_medium.jpg?v=1719992111)
CD-3016 | 30 x 16 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3016
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![iO HVAC Controls CD-2818 28 x 18 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_45cdc84e-fb5f-44ae-bc96-d1da374f4559_medium.jpg?v=1719992101)
CD-2818 | 28 x 18 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2818
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![iO HVAC Controls CD-2816 28 x 16 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_14409634-780c-4930-8768-0fb724a27ea3_medium.jpg?v=1719992100)
CD-2816 | 28 x 16 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2816
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![iO HVAC Controls CD-2406 24 x 06 Carrier/Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_c0a23395-e8b8-4d14-bbf3-cdac2627d6a8_medium.jpg?v=1719992080)
CD-2406 | 24 x 06 Carrier / Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2406
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![iO HVAC Controls LW-4-LV Wireless Lodge Watch for 4-Door Line Voltage for Mini Splits | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/LW-X-LV_c8134db3-240f-4e24-ac84-f9100abebd1c_medium.png?v=1719992356)
LW-4-LV | Wireless Lodge Watch for 4-Door Line Voltage for Mini Splits | iO HVAC Controls
Brand: iO HVAC Controls
SKU: LW-4-LV
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![iO HVAC Controls LW-2-LV Wireless Lodge Watch for 2-Door Line Voltage for Mini Splits | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/LW-X-LV_medium.png?v=1719992322)
LW-2-LV | Wireless Lodge Watch for 2-Door Line Voltage for Mini Splits | iO HVAC Controls
Brand: iO HVAC Controls
SKU: LW-2-LV
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![iO HVAC Controls TRD-10 Trane/American Standard 10" Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_eb44c363-23e9-4b29-9e6d-25b4bcd58788_medium.jpg?v=1719992577)
TRD-10 | Trane / American Standard 10" Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-10
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![iO HVAC Controls TRD-09 Trane/American Standard 9" Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_05867e22-2980-4585-98b7-f1dda5ce674f_medium.jpg?v=1719992554)
TRD-09 | Trane / American Standard 9" Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-09
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![iO HVAC Controls TRD-05 Trane/American Standard Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_3df9319f-1dfd-4d6c-bb46-64d07206e648_medium.jpg?v=1719992563)
TRD-05 | Trane / American Standard Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-05
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![iO HVAC Controls LW-3-LV Wireless Lodge Watch for 3-Door Line Voltage for Mini Splits | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/LW-X-LV_b2e79b66-61b5-4370-80a2-f8f5955891ef_medium.png?v=1719992328)
LW-3-LV | Wireless Lodge Watch for 3-Door Line Voltage for Mini Splits | iO HVAC Controls
Brand: iO HVAC Controls
SKU: LW-3-LV
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![iO HVAC Controls RRD-08 Rheem 8" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RRD.XX_13727e0e-5435-41ff-9a54-3d3057fa47a2_medium.png?v=1719992513)
RRD-08 | Rheem 8" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RRD-08
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![iO HVAC Controls RRD-07 Rheem 7" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RRD.XX_bc5ca841-02a1-4fac-923f-1de59891339f_medium.png?v=1719992513)
RRD-07 | Rheem 7" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RRD-07
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![iO HVAC Controls iO-DFK-DAT Fossil Fuel Kit Discharge Thermostat (formerly FFK-DS) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DFK-DAT_medium.jpg?v=1719992322)
iO-DFK-DAT | Fossil Fuel Kit Discharge Thermostat (formerly FFK-DS) | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-DFK-DAT
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![iO HVAC Controls MD-3612 36" x 12" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_8dd474e1-665c-454b-8835-5e39aed70588_medium.jpg?v=1719992494)
MD-3612 | 36" x 12" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3612
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![iO HVAC Controls TRD-08 Trane/American Standard 8" Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_328644c2-978e-46c2-b328-6cdee159a8bf_medium.jpg?v=1719992564)
TRD-08 | Trane / American Standard 8" Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-08
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![iO HVAC Controls TRD-07 Trane/American Standard 7" Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_4f866e9a-1dba-42e8-8090-73f9ca00deb1_medium.jpg?v=1719992553)
TRD-07 | Trane / American Standard 7" Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-07
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![iO HVAC Controls TRD-06 Trane/American Standard 6" Round Retro Zone Damper - Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_a6481a97-d2b5-42a9-b6f9-7aa57b517648_medium.jpg?v=1719992553)
TRD-06 | Trane / American Standard 6" Round Retro Zone Damper - Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TRD-06
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![iO HVAC Controls MD-3412-BM 34" x 12" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator- Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MD-XXXX-BM_61ee9780-e925-4bee-adba-e08015f32378_medium.jpg?v=1719992429)
MD-3412-BM | 34" x 12" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator- Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3412-BM
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![iO HVAC Controls RRD-09 Rheem 9" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RRD.XX_7a1727a3-ed0a-4103-a454-200b65ec39ee_medium.png?v=1719992523)
RRD-09 | Rheem 9" Round Retro Zone Damper - 35 Sec. Belimo 3-Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RRD-09
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![iO HVAC Controls MD-3410-BM 34" x 10" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator- Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MD-XXXX-BM_0818a837-4b68-4d20-9daf-0ecbf1fef22b_medium.jpg?v=1719992434)
MD-3410-BM | 34" x 10" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator- Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3410-BM
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![iO HVAC Controls MD-3408 34" x 08" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_84e9974c-1227-4aa5-8eb5-6eb00a006c75_medium.jpg?v=1719992434)
MD-3408 | 34" x 08" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3408
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iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
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