sensors
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![Image for Duct Temperature Sensors](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-lt-d-8-2-gd_1b647ff8-9a71-4bb0-80e7-b1a9242bcfe2_100x.png?v=1719982702)
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![Image for Duct Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_c053cdf0-84ce-4aba-8dc0-96e222748d81_100x.jpg?v=1719982450)
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![Image for Liquid Level Sensors](http://blackhawksupply.com/cdn/shop/files/F59H-1C_46b2f514-8aa8-4745-9db6-557f94695344_100x.png?v=1719992959)
![Image for Water Detection](http://blackhawksupply.com/cdn/shop/files/Senva_Family_WD_909753fc-5e01-4976-b21f-1a46ea055ef3_100x.jpg?v=1720021280)
![Image for Wireless Sensors](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22UTH-550X...560X_01_4C-product_retina_edb15bca-1963-4af5-bf42-4ec7bed341d8_100x.jpg?v=1719983659)
![Image for Networked Sensors](http://blackhawksupply.com/cdn/shop/files/STE-8201W80-medium_100x.jpg?v=1720012668)
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![Image for Gas Detection](http://blackhawksupply.com/cdn/shop/files/aci-q6-co-h2-100l_905be93c-e90a-4247-9774-e5e64c2a4389_100x.jpg?v=1719983058)
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![Image for Smoke Sensors](http://blackhawksupply.com/cdn/shop/files/aci-rt-3000-p_c3917f02-db34-450d-8ddf-de5d220f5ba4_100x.png?v=1719983110)
![Image for Sensor Accessories](http://blackhawksupply.com/cdn/shop/files/aci-universal-clip-6_63584f76-a29f-41a9-86ea-b829da162614_100x.jpg?v=1719983203)
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![Image for Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
![Image for Differential Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/sce-n12fga33_3488ebf9-03be-4992-b910-573e0b4db050_100x.png?v=1720018999)
![Image for Covers](http://blackhawksupply.com/cdn/shop/files/VT73XX_100x.png?v=1720030229)
![Image for Timer Sensors](http://blackhawksupply.com/cdn/shop/files/THR-131-j_a290dae0-cbe7-49ed-b4a4-cac572ca7d2c_100x.jpg?v=1720054312)
![Image for Current/Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P1R1T0_76398a8d-df4f-4831-803d-0f441cc9334b_100x.jpg?v=1720047140)
![Image for Current & Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P2R0T0_ff69cba0-733a-4169-83a3-ea1d1eedbf1b_100x.jpg?v=1720046961)
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![Johnson Controls A19BAC-1C COILED BULB TEMP CONTROL; 30/110F 3.5+/-2F FIXED SPDT RANGE ADJ KNOB & WRENCH PACKED SEPERATE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A19AAB-29C_0b9c443a-6b88-46f8-a21e-643854c73b22_medium.png?v=1719992572)
A19BAC-1C | COILED BULB TEMP CONTROL; 30 / 110F 3.5+ / -2F FIXED SPDT RANGE ADJ KNOB & WRENCH PACKED SEPERATE | Johnson Controls
Brand: Johnson Controls
SKU: A19BAC-1C
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![Johnson Controls A19AAF-47C REMOTE BULB TEMP CONTROL; 10' CAP; SPDT; NEMA 1; 3/8 X 3" BULB 25/225 F 1 DIFF. 3.5+/-2F FIXED; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A19AAB-29C_93da3872-c7f8-4604-9b96-c01e4ebb4b8f_medium.png?v=1719992573)
A19AAF-47C | REMOTE BULB TEMP CONTROL; 10' CAP; SPDT; NEMA 1; 3 / 8 X 3" BULB 25 / 225 F 1 DIFF. 3.5+ / -2F FIXED; | Johnson Controls
Brand: Johnson Controls
SKU: A19AAF-47C
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![Johnson Controls A19ACA-31C REMOTE BULB TEMP CONTROL; -35/40C; MANUAL RESET; 3M CAP; SPST; NEMA 1; 9.5MM X 102MM BULB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A19AAB-29C_1d9d3643-f47a-47b5-be6c-502c534d4685_medium.png?v=1719992572)
A19ACA-31C | REMOTE BULB TEMP CONTROL; -35 / 40C; MANUAL RESET; 3M CAP; SPST; NEMA 1; 9.5MM X 102MM BULB | Johnson Controls
Brand: Johnson Controls
SKU: A19ACA-31C
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![Johnson Controls A19AAF-45C REMOTE BULB TEMP CONTROL; CAP 1.8 M; SPDT; NEMA 1; 9.5 MM X 102 MM BULB -35/40 C 1 DIFF. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A19AAB-29C_587db30a-ad0b-4bc0-870a-4d78d2b7e64e_medium.png?v=1719992572)
A19AAF-45C | REMOTE BULB TEMP CONTROL; CAP 1.8 M; SPDT; NEMA 1; 9.5 MM X 102 MM BULB -35 / 40 C 1 DIFF. | Johnson Controls
Brand: Johnson Controls
SKU: A19AAF-45C
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![Johnson Controls A19AAB-29C REMOTE BULB TEMP CONTROL; 6' CAP; SPST; NEMA 1; 3/8 X 5-1/2" BULB 50/200 F 1 6' DIFF. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A19AAB-29C_ce27f064-21ce-46c7-bfbe-c8f698e6144d_medium.png?v=1719992572)
A19AAB-29C | REMOTE BULB TEMP CONTROL; 6' CAP; SPST; NEMA 1; 3 / 8 X 5-1 / 2" BULB 50 / 200 F 1 6' DIFF. | Johnson Controls
Brand: Johnson Controls
SKU: A19AAB-29C
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![iO HVAC Controls TWP-18/6 18/6 Plenum-rated Thermostat Wire - 250 Ft Roll - 47640312 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TWP-186_medium.jpg?v=1719992568)
TWP-18 / 6 | 18 / 6 Plenum-rated Thermostat Wire - 250 Ft Roll - 47640312 | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TWP-18/6
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![Johnson Controls 01-E624 RE-TRANSMISSIONMOD 4-20MA; RE-TRANSMISSIONMOD 4-20MA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_ae9b2075-6acb-4a16-954c-a744e10423bf_medium.jpg?v=1719992568)
01-E624 | RE-TRANSMISSIONMOD 4-20MA; RE-TRANSMISSIONMOD 4-20MA | Johnson Controls
Brand: Johnson Controls
SKU: 01-E624
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![iO HVAC Controls UT32-NS iO HVAC Controls Night Set Back Thermostat for the ZP6-ESP zone panel | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/UT32-NS_medium.jpg?v=1719992563)
UT32-NS | iO HVAC Controls Night Set Back Thermostat for the ZP6-ESP zone panel | iO HVAC Controls
Brand: iO HVAC Controls
SKU: UT32-NS
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![iO HVAC Controls T-S2 20k ohm Remote Sensor (for temperature averaging with T-S1) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/T-S2_medium.jpg?v=1719992548)
T-S2 | 20k ohm Remote Sensor (for temperature averaging with T-S1) | iO HVAC Controls
Brand: iO HVAC Controls
SKU: T-S2
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![iO HVAC Controls TW-18/8 18/8 Thermostat Wire - 250' Roll (non-plenum rated)-47160307 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TW-188_medium.jpg?v=1719992543)
TW-18 / 8 | 18 / 8 Thermostat Wire - 250' Roll (non-plenum rated)-47160307 | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TW-18/8
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![iO HVAC Controls UMM-SP Malfunction Monitor - Pressure Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/UMM-SP_medium.jpg?v=1719992543)
UMM-SP | Malfunction Monitor - Pressure Sensor | iO HVAC Controls
Brand: iO HVAC Controls
SKU: UMM-SP
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![iO HVAC Controls iO-TS55 Temp Stat 55 Degree Thermostat - Heating Pack of 10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_20Temp_20Stat_74c22bcd-650a-4471-8ca4-6f9ab614fc78_medium.jpg?v=1719992357)
iO-TS55 | Temp Stat 55 Degree Thermostat - Heating Pack of 10 | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TS55
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![iO HVAC Controls iO-TL70H iO HVAC Controls Temp-Limiter 70 Degree Heat Only | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/io-hvac-controls-io-tl70h_medium.jpg?v=1719992380)
iO-TL70H | iO HVAC Controls Temp-Limiter 70 Degree Heat Only | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TL70H
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![iO HVAC Controls iO-WW2 Warning Watchdog 2 Units | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-WW2_web_medium.jpg?v=1719992376)
iO-WW2 | Warning Watchdog 2 Units | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-WW2
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![iO HVAC Controls iO-CSAC65WP Conceal a Stat - 65 Degree Tamper-proof, Cooling Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_Conceal-A-_Stat_3abf96e3-302b-4eed-9b52-c25041840d0e_medium.jpg?v=1719992347)
iO-CSAC65WP | Conceal a Stat - 65 Degree Tamper-proof, Cooling Thermostat | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-CSAC65WP
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![iO HVAC Controls iO-CS75WP Conceal a Stat - 75 Degree Tamper-proof, Heating Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_Conceal-A-_Stat_733cf5ee-27e5-4548-9051-9a5a69554aeb_medium.jpg?v=1719992342)
iO-CS75WP | Conceal a Stat - 75 Degree Tamper-proof, Heating Thermostat | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-CS75WP
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![iO HVAC Controls iO-CSAC80WP Conceal a Stat - 80 Degree Tamper-proof, Cooling Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_Conceal-A-_Stat_cc78517d-1b00-48cc-b164-db2ccb030dc3_medium.jpg?v=1719992337)
iO-CSAC80WP | Conceal a Stat - 80 Degree Tamper-proof, Cooling Thermostat | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-CSAC80WP
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![iO HVAC Controls iO-TS60 Temp Stat 60 Degree Thermostat - Heating Pack of 10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_20Temp_20Stat_f60a0588-85c7-4dc8-83fb-481394a36774_medium.jpg?v=1719992332)
iO-TS60 | Temp Stat 60 Degree Thermostat - Heating Pack of 10 | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TS60
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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 iO-TL70C iO HVAC Controls Temp-Limiter 70 Degree Cool Only | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/io-hvac-controls-io-tl70c_medium.jpg?v=1719992328)
iO-TL70C | iO HVAC Controls Temp-Limiter 70 Degree Cool Only | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TL70C
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![iO HVAC Controls iO-HPA iO Heat Pump Malfunctioning Alarm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HPA_medium.png?v=1719992323)
iO-HPA | iO Heat Pump Malfunctioning Alarm | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-HPA
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![iO HVAC Controls iO-TL73H iO HVAC Controls Temp-Limiter 73 Degree Heat Only | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/io-hvac-controls-io-tl73h_medium.jpg?v=1719992323)
iO-TL73H | iO HVAC Controls Temp-Limiter 73 Degree Heat Only | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TL73H
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![iO HVAC Controls iO-TL65H iO HVAC Controls Temp-Limiter 65 Degree Heat Only | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/io-hvac-controls-io-tl65h_medium.jpg?v=1719992323)
iO-TL65H | iO HVAC Controls Temp-Limiter 65 Degree Heat Only | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TL65H
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