sensors
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![Image for Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
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A / 20K-R2O | 20, 000 Ohm Thermistor, Room (R2), Override | ACI
Brand: ACI
SKU: A/20K-R2O
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![ACI A/20K-DO-12"-6'CL2P 20K ohm | Duct Temperature Sensor | Sensor Length: 12 inch | Included Wire Length: 6 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_7424effc-1c39-4972-a900-8cd92b4ba75e_medium.png?v=1719981735)
A / 20K-DO-12"-6'CL2P | 20K ohm | Duct Temperature Sensor | Sensor Length: 12 inch | Included Wire Length: 6 feet | CL2P | ACI
Brand: ACI
SKU: A/20K-DO-12"-6'CL2P
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![ACI A/20K-S10-PB 20,000 Ohm Thermistor (Type II), Strap On, 10" Strap, Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-10ks-s10-pb_medium.jpg?v=1719981731)
A / 20K-S10-PB | 20, 000 Ohm Thermistor (Type II), Strap On, 10" Strap, Plastic Enclosure | ACI
Brand: ACI
SKU: A/20K-S10-PB
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![ACI A/20K-R2S-A24-B4 20,000 Ohm Thermistor, Room (R2), Setpoint 9.5K to 1K, 55-85 Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_a7f06faf-e8cd-4360-92a8-b79007268b1e_medium.png?v=1719981726)
A / 20K-R2S-A24-B4 | 20, 000 Ohm Thermistor, Room (R2), Setpoint 9.5K to 1K, 55-85 Sticker | ACI
Brand: ACI
SKU: A/20K-R2S-A24-B4
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![ACI A/20K-D-2"-EXPL DUCT 2", EXPL ENC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-ttm1k-d-8-4-expl_c7181f60-c6e9-47ca-9277-272b31404700_medium.jpg?v=1719981727)
A / 20K-D-2"-EXPL | DUCT 2", EXPL ENC | ACI
Brand: ACI
SKU: A/20K-D-2"-EXPL
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![ACI A/1K-NI-I-6"-4X IMMER 6", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_f8237bcb-8173-4e84-83b9-9778f30008be_medium.jpg?v=1719981726)
A / 1K-NI-I-6"-4X | IMMER 6", 4X | ACI
Brand: ACI
SKU: A/1K-NI-I-6"-4X
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![ACI A/20K-DO-6"-6'CL2P 20K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | Included Wire Length: 6 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_10356bdc-8495-4a6c-858f-e595c364964b_medium.png?v=1719981726)
A / 20K-DO-6"-6'CL2P | 20K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | Included Wire Length: 6 feet | CL2P | ACI
Brand: ACI
SKU: A/20K-DO-6"-6'CL2P
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![ACI A/20K-RA-48"-PB 20,000 Ohm Thermistor, Rigid Probe Averaging, 48", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-d-12-bb_512e94ee-6c54-4d02-8908-035730b42971_medium.png?v=1719981721)
A / 20K-RA-48"-PB | 20, 000 Ohm Thermistor, Rigid Probe Averaging, 48", Plastic Enclosure | ACI
Brand: ACI
SKU: A/20K-RA-48"-PB
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![ACI A/1K-NI-R2SO-A09-C5 1,000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, Override, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2so-a02-c5_ddb6eb2a-232c-4d01-9d2e-c82925f70248_medium.png?v=1719981726)
A / 1K-NI-R2SO-A09-C5 | 1, 000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, Override, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/1K-NI-R2SO-A09-C5
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![ACI A/20K-R2S-A03-C5 20,000 Ohm Thermistor, Room (R2), Setpoint 0-10K Ohms, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_b0c90dfa-dd90-4ee4-8a80-ea1ad8476aa1_medium.png?v=1719981716)
A / 20K-R2S-A03-C5 | 20, 000 Ohm Thermistor, Room (R2), Setpoint 0-10K Ohms, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/20K-R2S-A03-C5
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![ACI A/20K-RO 20,000 Ohm Thermistor, Room (R), Override | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-bc-ro_4807c9f8-d59f-4b62-a39b-a4d4f87b7d59_medium.png?v=1719981722)
A / 20K-RO | 20, 000 Ohm Thermistor, Room (R), Override | ACI
Brand: ACI
SKU: A/20K-RO
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![ACI A/20' TUBE 20' X 1/8" O.D. TUBING | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-20-tube_ebf947d1-3d17-4c9a-873f-dde685fb27d2_medium.jpg?v=1719981721)
A / 20' TUBE | 20' X 1 / 8" O.D. TUBING | ACI
Brand: ACI
SKU: A/20' TUBE
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![ACI A/20K-RSO-LCD-F-A02-C5 20,000 Ohm Thermistor, Room (R), Setpoint 0 to 20K Ohms, Override, LCD, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_af135b56-932a-4104-857f-d3200c33aa3e_medium.png?v=1719981717)
A / 20K-RSO-LCD-F-A02-C5 | 20, 000 Ohm Thermistor, Room (R), Setpoint 0 to 20K Ohms, Override, LCD, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/20K-RSO-LCD-F-A02-C5
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![ACI A/1K-LTS-6'-NIST NIST CONFIGURATOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-frz2-30_7dbffcb0-b232-4f42-ac2c-54171d4553f0_medium.png?v=1719981721)
A / 1K-LTS-6'-NIST | NIST CONFIGURATOR | ACI
Brand: ACI
SKU: A/1K-LTS-6'-NIST
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![ACI A/20K-DO-18"-10CL2P 20,000 Ohm Thermistor, Duct, Without Box, 18", 10' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_5083268b-818c-42b5-9b71-1cd366cadec0_medium.png?v=1719981721)
A / 20K-DO-18"-10CL2P | 20, 000 Ohm Thermistor, Duct, Without Box, 18", 10' Plenum Cable | ACI
Brand: ACI
SKU: A/20K-DO-18"-10CL2P
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![ACI A/20K-RA-12"-PB 20,000 Ohm Thermistor, Rigid Probe Averaging, 12", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-d-12-bb_4719d924-a282-408f-97dc-9541655b966b_medium.png?v=1719981721)
A / 20K-RA-12"-PB | 20, 000 Ohm Thermistor, Rigid Probe Averaging, 12", Plastic Enclosure | ACI
Brand: ACI
SKU: A/20K-RA-12"-PB
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![ACI A/20K-INW-2.5"-BB IMMER 2.5", NO WELL, BB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_17f42882-73ec-468f-8c58-cc9db44c8c49_medium.png?v=1719981721)
A / 20K-INW-2.5"-BB | IMMER 2.5", NO WELL, BB | ACI
Brand: ACI
SKU: A/20K-INW-2.5"-BB
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![ACI A/20K-RSO-A24-B4 20,000 Ohm Thermistor, Room (R), w/ Setpoint and Override | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_3b1fed57-eb9d-4102-a185-642f73f1c08f_medium.png?v=1719981721)
A / 20K-RSO-A24-B4 | 20, 000 Ohm Thermistor, Room (R), w / Setpoint and Override | ACI
Brand: ACI
SKU: A/20K-RSO-A24-B4
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