Dampers Non-spring return Spring return
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
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![iO HVAC Controls RM-2220-BM Rheem 22 x 20 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_1213f9c7-25ed-420a-b66b-84e9d9468428_medium.jpg?v=1708912696)
RM-2220-BM | Rheem 22 x 20 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2220-BM
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![iO HVAC Controls RM-2220 Rheem 22 x 20 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_c6418b7a-5129-4b6f-b876-37a8630ad4ed_medium.jpg?v=1708912724)
RM-2220 | Rheem 22 x 20 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2220
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![iO HVAC Controls RM-2218-BM Rheem 22 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_076692fc-f620-4a28-b769-39cf37263fee_medium.jpg?v=1708912696)
RM-2218-BM | Rheem 22 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2218-BM
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![iO HVAC Controls RM-2218 Rheem 22 x 18 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_227d545c-5ac5-4076-97ac-53e0a803e3cf_medium.jpg?v=1708912639)
RM-2218 | Rheem 22 x 18 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2218
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![iO HVAC Controls RM-2216 Rheem 22 x 16 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_78c4070b-77b4-4475-8a3d-b40b0e92be09_medium.jpg?v=1708912747)
RM-2216 | Rheem 22 x 16 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2216
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![iO HVAC Controls RM-2214-BM Rheem 22 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_20ac8b78-73d8-40b1-a0aa-e1f52087c981_medium.jpg?v=1708912701)
RM-2214-BM | Rheem 22 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2214-BM
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![iO HVAC Controls RM-2214 Rheem 22 x 14 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_1bfff06d-d3d3-46bb-900f-64fa25ef2a3e_medium.jpg?v=1708912692)
RM-2214 | Rheem 22 x 14 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2214
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![iO HVAC Controls RM-2212-BM Rheem 22 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_6e10e514-854f-4f14-93ac-b5bda0ae253c_medium.jpg?v=1708912693)
RM-2212-BM | Rheem 22 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2212-BM
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![iO HVAC Controls RM-2212 Rheem 22 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_d91eec0f-33d6-4f0b-92d3-11ef1a9cfa8a_medium.jpg?v=1708912696)
RM-2212 | Rheem 22 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2212
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![iO HVAC Controls RM-2210-BM Rheem 22 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_d5540e5a-220e-4313-a042-93561c004ed7_medium.jpg?v=1708912696)
RM-2210-BM | Rheem 22 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2210-BM
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![iO HVAC Controls RM-2210 Rheem 22 x 10 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_2240659f-8c79-450d-9342-8fedd840c717_medium.jpg?v=1708912696)
RM-2210 | Rheem 22 x 10 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2210
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![iO HVAC Controls RM-2208-BM Rheem 22 x 08 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_05071e40-885f-4f94-9167-95263043bf70_medium.jpg?v=1708912693)
RM-2208-BM | Rheem 22 x 08 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2208-BM
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![iO HVAC Controls RM-2208 Rheem 22 x 08 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_fb12c482-47af-4bcf-b302-0b254dec6b67_medium.jpg?v=1708912738)
RM-2208 | Rheem 22 x 08 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2208
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![iO HVAC Controls RM-2018-BM Rheem 20 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_d7571606-a7f2-40c9-b124-8fc5e83258d6_medium.jpg?v=1708912670)
RM-2018-BM | Rheem 20 x 18 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2018-BM
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![iO HVAC Controls RM-2018 Rheem 20 x 18 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_1eaa8710-9e3c-49f3-b384-a9623081bf16_medium.jpg?v=1708912661)
RM-2018 | Rheem 20 x 18 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2018
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![iO HVAC Controls RM-2016-BM Rheem 20 x 16 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_deef8217-60d7-445a-b584-16e59e94e3ed_medium.jpg?v=1708912738)
RM-2016-BM | Rheem 20 x 16 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2016-BM
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![iO HVAC Controls RM-2016 Rheem 20 x 16 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_3deaa11a-a286-43dd-ae87-7a81808f5480_medium.jpg?v=1708912670)
RM-2016 | Rheem 20 x 16 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2016
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![iO HVAC Controls RM-2014-BM Rheem 20 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_bbd8dbe1-936d-4a84-b87d-cb1bdbcbd2bd_medium.jpg?v=1708912688)
RM-2014-BM | Rheem 20 x 14 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2014-BM
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![iO HVAC Controls RM-2014 Rheem 20 x 14 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_93f3b79b-987a-4cf4-8c06-b86e417e6593_medium.jpg?v=1708912724)
RM-2014 | Rheem 20 x 14 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2014
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![iO HVAC Controls RM-2012-BM Rheem 20 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_e9c276d6-a543-4c10-bc00-a156dc7bf441_medium.jpg?v=1708912662)
RM-2012-BM | Rheem 20 x 12 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2012-BM
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![iO HVAC Controls RM-2012 Rheem 20 x 12 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_e1ff7bb4-58cc-48cf-b221-61b05ce7fea7_medium.jpg?v=1708912671)
RM-2012 | Rheem 20 x 12 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2012
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![iO HVAC Controls RM-2010-BM Rheem 20 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_ef26d27c-ce2e-4cb2-9ad9-cf225d655396_medium.jpg?v=1708912751)
RM-2010-BM | Rheem 20 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2010-BM
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![iO HVAC Controls RM-2008-BM Rheem 20 x 08 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_72e7d614-11ad-4865-83e2-df0aafc92085_medium.jpg?v=1708912661)
RM-2008-BM | Rheem 20 x 08 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2008-BM
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![iO HVAC Controls RM-2008 Rheem 20 x 08 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_f8cad5b9-7e46-40a5-b02c-528d3710ea65_medium.jpg?v=1708912689)
RM-2008 | Rheem 20 x 08 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2008
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