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![Siemens 544-343-48 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 48-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-343-48_medium.jpg?v=1720022572)
544-343-48 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 48-Inch | Siemens
Brand: Siemens
SKU: 544-343-48
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![Siemens 544-343-36 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 36-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-343-36_medium.jpg?v=1720022567)
544-343-36 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 36-Inch | Siemens
Brand: Siemens
SKU: 544-343-36
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![Siemens 540-128 10K Ohm Duct Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/540-128_medium.jpg?v=1720022554)
540-128 | 10K Ohm Duct Temperature Sensor | Siemens
Brand: Siemens
SKU: 540-128
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![Siemens 536-778 Outside Air Temperature Sensor, 100K Ohm Thermistor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-778_medium.jpg?v=1720022548)
536-778 | Outside Air Temperature Sensor, 100K Ohm Thermistor | Siemens
Brand: Siemens
SKU: 536-778
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![Siemens 536-777-40 Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-777-40_medium.jpg?v=1720022552)
536-777-40 | Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 4-Inch | Siemens
Brand: Siemens
SKU: 536-777-40
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![Siemens 536-777-25 Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 2.5-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-777-25_medium.jpg?v=1720022549)
536-777-25 | Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 2.5-Inch | Siemens
Brand: Siemens
SKU: 536-777-25
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![Siemens 536-774-40 Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-774-40_medium.jpg?v=1720022551)
536-774-40 | Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch | Siemens
Brand: Siemens
SKU: 536-774-40
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![Siemens 535-490-48 Rigid Averaging Duct Sensor, 20 to 120 Deg F, 48-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/535-490-48_medium.jpg?v=1720022540)
535-490-48 | Rigid Averaging Duct Sensor, 20 to 120 Deg F, 48-Inch | Siemens
Brand: Siemens
SKU: 535-490-48
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![Siemens 533-380-16 Flexible Averaging Duct Sensor, 20 to 120 Deg F, 16-Foot | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/533-380-16_medium.jpg?v=1720022551)
533-380-16 | Flexible Averaging Duct Sensor, 20 to 120 Deg F, 16-Foot | Siemens
Brand: Siemens
SKU: 533-380-16
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![Siemens 331-671 LINKAGE KIT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/331-671_medium.jpg?v=1692720129)
331-671 | LINKAGE KIT | Siemens
Brand: Siemens
SKU: 331-671
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![Siemens 192-256W Thermostat Cvr, Adj Setpt Conceal, Setpt Dsply Conceal, Chas Thermomtr Conceal | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-256W_medium.jpg?v=1720021683)
192-256W | Thermostat Cvr, Adj Setpt Conceal, Setpt Dsply Conceal, Chas Thermomtr Conceal | Siemens
Brand: Siemens
SKU: 192-256W
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![Siemens 192-204 Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-204_medium.jpg?v=1720021681)
192-204 | Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day / Night, Fahrenheit | Siemens
Brand: Siemens
SKU: 192-204
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![Siemens 184-0028 Temperature Transmitter, Rigid Bulb, DA, 0 to 100 deg F, 1-Pipe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/184-0028_medium.jpg?v=1720021698)
184-0028 | Temperature Transmitter, Rigid Bulb, DA, 0 to 100 deg F, 1-Pipe | Siemens
Brand: Siemens
SKU: 184-0028
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![Siemens 184-0014 Temperature Transmitter, Remote Bulb, DA, 80 to 240 deg F, 1-Pipe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/184-0014_medium.jpg?v=1720021607)
184-0014 | Temperature Transmitter, Remote Bulb, DA, 80 to 240 deg F, 1-Pipe | Siemens
Brand: Siemens
SKU: 184-0014
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![Siemens 141-426 Copper to Polyethylene Tubing Adapter, 24" long, Package of 50 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/141-426_medium.jpg?v=1720021385)
141-426 | Copper to Polyethylene Tubing Adapter, 24" long, Package of 50 | Siemens
Brand: Siemens
SKU: 141-426
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![Siemens 546-00489 VERT UNI-TRAK TOP ASSY,32" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-546-xxxx_e96f653d-a938-4e21-b452-7f0e9afe095d_medium.png?v=1720040711)
546-00489 | VERT UNI-TRAK TOP ASSY, 32" | Siemens
Brand: Siemens
SKU: 546-00489
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![Siemens QFR9530.KIT QFR9530 with AQM5H Harness Duct Surface Mount RH&T Sensor and wiring harness | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QFR9530.KIT_medium.jpg?v=1720033335)
QFR9530.KIT | QFR9530 with AQM5H Harness Duct Surface Mount RH&T Sensor and wiring harness | Siemens
Brand: Siemens
SKU: QFR9530.KIT
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![Siemens S55180-A151 SSB161.05U | 0-10V, Fail in Place, Powermite MZ Series Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V13781496_medium.jpg?v=1720033331)
S55180-A151 | SSB161.05U | 0-10V, Fail in Place, Powermite MZ Series Actuator | Siemens
Brand: Siemens
SKU: S55180-A151
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![Siemens S55180-A157 SSE161.05U | 0-10V, Normally Closed, Fail in Place, Zone Valve Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V13781499_d49cef95-c9cd-4458-94a5-20a13b9dec93_medium.jpg?v=1720033332)
S55180-A157 | SSE161.05U | 0-10V, Normally Closed, Fail in Place, Zone Valve Actuator | Siemens
Brand: Siemens
SKU: S55180-A157
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![Siemens QAR9530.KIT QAR9530 with AQM2H Harness Duct surface mount temperature sensor with wiring harness | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QAR9530.KIT_medium.jpg?v=1720033331)
QAR9530.KIT | QAR9530 with AQM2H Harness Duct surface mount temperature sensor with wiring harness | Siemens
Brand: Siemens
SKU: QAR9530.KIT
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![Siemens S55155-A110 SSC161.05U | 0-10V, Fail in Place, Powermite MT Series Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V13917220_34eec811-be43-4404-aca4-9934bebb1942_medium.jpg?v=1720033332)
S55155-A110 | SSC161.05U | 0-10V, Fail in Place, Powermite MT Series Actuator | Siemens
Brand: Siemens
SKU: S55155-A110
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![Siemens SSB61U MZ Series Actuator, 24 Vac, 0 to10 Vdc control signal, NSR. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_00fa1d7a-07f2-400e-8844-22b504d644d9_medium.png?v=1720023853)
SSB61U | MZ Series Actuator, 24 Vac, 0 to10 Vdc control signal, NSR. | Siemens
Brand: Siemens
SKU: SSB61U
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![Siemens QMX3.P74 QMX3 ROOM TEMP, RH & CO2 WITH DISPLAY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_2730b12b-ee1a-4a9b-969b-95984043d47d_medium.png?v=1715960125)
QMX3.P74 | QMX3 ROOM TEMP, RH & CO2 WITH DISPLAY | Siemens (OBSOLETE)
Brand: Siemens
SKU: QMX3.P74
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![Siemens GND321.1U/F Damper Actuator | Spring Return | 230 VAC | On/Off | 53 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_5a4959d3-994f-4894-92f6-2dda144eefd5_medium.png?v=1720023714)
GND321.1U / F | Damper Actuator | Spring Return | 230 VAC | On / Off | 53 lb-in | Siemens (OBSOLETE)
Brand: Siemens
SKU: GND321.1U/F
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