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![Siemens QPM2100 Duct Sensor CO2, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QPM2100_9a6761f1-fb3b-4ede-9b6a-c0659c83f5c9_medium.jpg?v=1709157063)
QPM2100 | Duct Sensor CO2, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2100
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![Siemens SKB62U Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SKB62U_2650a481-8948-4353-907e-ed4380c32987_medium.jpg?v=1714597404)
SKB62U | Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3 / 4" Stroke | Siemens
Brand: Siemens
SKU: SKB62U
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![Siemens QFA3280.FWSC Room Temp Sensor, RH 2%, TEC, Digital signal, Sense & Display | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QFA3280.FWSC_medium.jpg?v=1706643270)
QFA3280.FWSC | Room Temp Sensor, RH 2%, TEC, Digital signal, Sense & Display | Siemens
Brand: Siemens
SKU: QFA3280.FWSC
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![Saginaw SCE-TU09 Paint, Touch-Up Spray | 8 (H) x 3 (W) x 3 (D) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-tu09_medium.png?v=1688928539)
SCE-TU09 | Paint, Touch-Up Spray | 8 (H) x 3 (W) x 3 (D) | Saginaw
Brand: Saginaw
SKU: SCE-TU09
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![Jomar 240-008B 175-LWN_B | 2" | Utility Gas Ball Valve | Full Port | 175 PSIG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/175-lwn_b_0cce034f-7f26-4140-88f9-a7cba62dd4d0_medium.jpg?v=1707856458)
240-008B | 175-LWN_B | 2" | Utility Gas Ball Valve | Full Port | 175 PSIG | Jomar
Brand: Jomar
SKU: 240-008B
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![Saginaw SCE-MINQKLB Latch, Mini Keylocking Lever Knob (Black) | 2 (H) x 2 (W) x 1 (D) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-minqklb_187282e4-32d0-4f88-a6ed-2b2ccf4742af_medium.png?v=1688953389)
SCE-MINQKLB | Latch, Mini Keylocking Lever Knob (Black) | 2 (H) x 2 (W) x 1 (D) | Saginaw
Brand: Saginaw
SKU: SCE-MINQKLB
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![Functional Devices TR150VA008 Transformer 150VA 480/277/240/208-120V, 2 hub, UL Listed US/Can, Circuit Breaker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR150VA008_562d4e47-8ec2-4855-b017-15e3478fb610_medium.jpg?v=1708365213)
TR150VA008 | Transformer 150VA 480 / 277 / 240 / 208-120V, 2 hub, UL Listed US / Can, Circuit Breaker | Functional Devices
Brand: Functional Devices
SKU: TR150VA008
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![Schneider Electric M313A01 SmartX, Ball Valve Actuator, Proportional, Spring Return Open, 24 VAC, 10FT Plenum Cable, NEMA 2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M313A01_medium.png?v=1711999163)
M313A01 | SmartX, Ball Valve Actuator, Proportional, Spring Return Open, 24 VAC, 10FT Plenum Cable, NEMA 2 | Schneider Electric
Brand: Schneider Electric
SKU: M313A01
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![Taco 17-1256RP AIR VENT ASSEMBLY | 4900 SERIES | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/17-1256RP_d393da04-b403-45f6-aee2-30ea7a1b4272_medium.png?v=1709925733)
17-1256RP | AIR VENT ASSEMBLY | 4900 SERIES | Taco
Brand: Taco
SKU: 17-1256RP
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![Square D SDSA2040D SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa2040d_ee1823e0-aac1-416e-944a-db4aaf6637f3_medium.png?v=1719241698)
SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Square D by Schneider Electric
Brand: Square D
SKU: SDSA2040D
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![Aquamotion AMK-ODR-SUPERFLOW Superflow Valve kit for additional locations | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/ODR-Installation-6-28-19_medium.jpg?v=1709838117)
AMK-ODR-SUPERFLOW | Superflow Valve kit for additional locations | Aquamotion
Brand: Aquamotion
SKU: AMK-ODR-SUPERFLOW
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![Aquamotion AMH3K-RN Tankless Water Heater Recirculation Kit, without Dedicated Return Line, On Demand | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/AMH3K-RN_medium.jpg?v=1709838134)
AMH3K-RN | Tankless Water Heater Recirculation Kit, without Dedicated Return Line, On Demand | Aquamotion
Brand: Aquamotion
SKU: AMH3K-RN
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![iO HVAC Controls iO-TWIN-TR Universal Twinning Kit with 20VA Transformer Included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/13155_medium.png?v=1708621538)
iO-TWIN-TR | Universal Twinning Kit with 20VA Transformer Included | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TWIN-TR
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![iO HVAC Controls MBD-1608 Manual Rectangular 16 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_5247b0f0-b3da-4f07-9658-5d4eab68b9cc_medium.jpg?v=1708912622)
MBD-1608 | Manual Rectangular 16 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1608
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![iO HVAC Controls iO-LL Lead/Lag Controller | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/13223_medium.png?v=1701800085)
iO-LL | Lead / Lag Controller | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-LL
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![Bell & Gossett 1EF027LF 3/4 HP e611S Series e-60 Bronze Fitted 2" x 5-1/4" In-Line Pump (1 PH, 115/208-230V) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1ef027lf-3_fbe2cef7-c224-405a-8720-6e9273f96eaa_medium.jpg?v=1712671996)
1EF027LF | 3 / 4 HP e611S Series e-60 Bronze Fitted 2" x 5-1 / 4" In-Line Pump (1 PH, 115 / 208-230V) | Bell & Gossett
Brand: Bell & Gossett
SKU: 1EF027LF
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![Jomar 800-104ADDG LEAD FREE ADD-A-VALVE | 3/4" | Lead Free Emergency Shut-off Device | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aav_b6534f2a-f1b6-4ddc-939f-669e148531f8_medium.jpg?v=1713475279)
800-104ADDG | LEAD FREE ADD-A-VALVE | 3 / 4" | Lead Free Emergency Shut-off Device | Jomar
Brand: Jomar
SKU: 800-104ADDG
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![Siemens 599-03391 Repack Kit, Bronze Valves 1/2" to 2" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/599-03391_medium.jpg?v=1692720647)
599-03391 | Repack Kit, Bronze Valves 1 / 2" to 2" | Siemens
Brand: Siemens
SKU: 599-03391
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View all →![Siemens QFM3160 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QFM3160_large.jpg?v=1692723024)
QFM3160 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3160![Saginaw SCE-36H3612LP NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-36h3612lp_large.png?v=1692624116)
SCE-36H3612LP | NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Saginaw
Brand: Saginaw
SKU: SCE-36H3612LP![Neptronic BM000 B series low voltage Actuators | 50 in.lb | 24V | ON/OFF | Floating | Modulating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/actuators-banner_a22729f7-ea6e-4da6-8d1e-616037cb58b4_large.jpg?v=1717515951)
BM000 | B series low voltage Actuators | 50 in.lb | 24V | ON/OFF | Floating | Modulating | Neptronic
Brand: Neptronic
SKU: BM000![Siemens 147-2000 Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/147-2000_large.jpg?v=1692718555)
147-2000 | Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Siemens
Brand: Siemens
SKU: 147-2000![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_133fa895-f07d-4e0c-903d-c666ee67875b_large.jpg?v=1719241877)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2![Graco D11021 Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/D11021-Graco-Husky-205-Plastic-Air-Operated-Double-Diaphragm-Pump-486320_4b7f4380-0c81-46cf-8733-e0bb3b70723d_large.jpg?v=1705596867)
D11021 | Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Graco
Brand: Graco
SKU: D11021![Schneider Electric MA-418-500 Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_cbeba398-a3d0-4c4f-abe5-f01c00c8509e_large.jpg?v=1717434807)
MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500