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 D-Z1-1810-BM 18 x 10 -Bottom Mount, Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_f2ed2cda-8ec2-4e99-90e7-68408d5779ef_medium.jpg?v=1719992226)
D-Z1-1810-BM | 18 x 10 -Bottom Mount, Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1810-BM
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![iO HVAC Controls D-Z1-1806 18 x 06 Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_9d51bdbd-48e2-4d38-b2de-cce274d796fa_medium.jpg?v=1719992196)
D-Z1-1806 | 18 x 06 Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1806
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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 D-Z1-1608-BM 16 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_1c6e165f-dc00-4bb9-96a6-f4d2a4a3fb6d_medium.jpg?v=1719992150)
D-Z1-1608-BM | 16 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1608-BM
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![iO HVAC Controls D-Z1-1606 16 x 06 Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_6278b937-7283-420b-9dcb-d1399b07b3db_medium.jpg?v=1719992146)
D-Z1-1606 | 16 x 06 Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1606
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![iO HVAC Controls D-Z1-1412-BM 14 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_897dec7d-08ae-4910-ae1a-ca3791c386f4_medium.jpg?v=1719992132)
D-Z1-1412-BM | 14 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1412-BM
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![iO HVAC Controls D-Z1-1410-BM 14 x 10 Two-Position Zone One Damper Assembly Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_3d36e6e7-5e50-4098-990b-e54a46127e59_medium.jpg?v=1719992145)
D-Z1-1410-BM | 14 x 10 Two-Position Zone One Damper Assembly Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1410-BM
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![iO HVAC Controls D-Z1-1408-BM 14 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_53351e6a-2bf7-490a-b132-77738096159d_medium.jpg?v=1719992090)
D-Z1-1408-BM | 14 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1408-BM
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![iO HVAC Controls D-Z1-1210-BM 12 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_5c2f8049-9283-4beb-b39b-d8932f4376d8_medium.jpg?v=1719992141)
D-Z1-1210-BM | 12 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1210-BM
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![iO HVAC Controls D-Z1-1208-BM 12 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_ae42208c-e8dc-4349-ba57-ba7a156ca782_medium.jpg?v=1719992140)
D-Z1-1208-BM | 12 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1208-BM
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![iO HVAC Controls D-Z1-1008-BM 10 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_2a0f0999-96c7-4335-8843-8d41f9d07ade_medium.jpg?v=1719992125)
D-Z1-1008-BM | 10 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1008-BM
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![iO HVAC Controls D-Z1-1006-BM 10 x 06 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_feb4c0f3-ae02-402a-b8ec-70fd75b33d3d_medium.jpg?v=1719992121)
D-Z1-1006-BM | 10 x 06 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1006-BM
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![iO HVAC Controls D-Z1-05 5" Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XX_web_927b74bd-396a-4a76-93ec-2cb3eaf58d60_medium.jpg?v=1719992121)
D-Z1-05 | 5" Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-05
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![iO HVAC Controls CD-2618-BM 26 x 18 Carrier/Bryant Zone Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_dd09a011-55a7-4903-ba87-e984308409b7_medium.jpg?v=1719992100)
CD-2618-BM | 26 x 18 Carrier / Bryant Zone Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2618-BM
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![iO HVAC Controls CD-2618 26 x 18 Carrier/Bryant Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_d1365c73-9268-41ed-87fb-34dd75d7da94_medium.jpg?v=1719992096)
CD-2618 | 26 x 18 Carrier / Bryant Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2618
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![iO HVAC Controls CD-2612-BM 26 x 12 Carrier/Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_c8ea1c20-420f-4646-8230-1ca75857f499_medium.jpg?v=1719992112)
CD-2612-BM | 26 x 12 Carrier / Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2612-BM
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![iO HVAC Controls CD-2422 24 x 22 Carrier/Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_37f12b9c-9c9c-40c9-9a05-4ad7987506ee_medium.jpg?v=1719992095)
CD-2422 | 24 x 22 Carrier / Bryant Rectangular Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2422
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![iO HVAC Controls BV-06 6" Vertical / Horizontal Barometric Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-BH_20BV_20group_medium.jpg?v=1719992070)
BV-06 | 6" Vertical / Horizontal Barometric Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BV-06
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![iO HVAC Controls BH-04 4" Round Horizontal Barometric Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_medium.jpg?v=1708912383)
BH-04 | 4" Round Horizontal Barometric Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-04
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![iO HVAC Controls RM-3014-BM Rheem 30 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_2c74f0bd-6220-4ba0-876e-9eb781eb9e91_medium.jpg?v=1719992508)
RM-3014-BM | Rheem 30 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3014-BM
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![iO HVAC Controls RM-3014 Rheem 30 x 14 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_0452691d-6f7e-4ed1-b5e0-5fe6ffb9f009_medium.jpg?v=1719992512)
RM-3014 | Rheem 30 x 14 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3014
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![iO HVAC Controls RM-3012-BM Rheem 30 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_c1585c39-4b2e-4f47-b48e-47d820357051_medium.jpg?v=1719992508)
RM-3012-BM | Rheem 30 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3012-BM
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![iO HVAC Controls RM-3012 Rheem 30 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_b7bcbc14-9c34-4beb-9e96-03bf99377b31_medium.jpg?v=1719992504)
RM-3012 | Rheem 30 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3012
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![iO HVAC Controls RM-3010-BM Rheem 30 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_96dfb503-7009-4e52-8f58-2b1642ac1d81_medium.jpg?v=1719992503)
RM-3010-BM | Rheem 30 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-3010-BM
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