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    • Replacement Sensors

    Gas detection identifies potentially hazardous gas leaks by the sensors that are inside the units. From time to time these sensors may need to be replaced. Choose from a wide variety of gas detector sensors below for your gas detector maintenance program.

    Showing 21 to 40 of 105 products
    Honeywell BW SR-A1-4R Replacement NH<sub>3</sub> Sensor, 4R+-

    Honeywell BW SR-A1-4R Replacement NH3 Sensor, 4R+
    Model: SR-A1-4R

    Sale Price $638.47 USD
    Regular Price $857.00 USD
    Availability 12 to 13 Weeks

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    Quantity
    Honeywell BW SR-C1-4R Replacement CL<sub>2</sub> Sensor, 4R+-

    Honeywell BW SR-C1-4R Replacement CL2 Sensor, 4R+
    Model: SR-C1-4R

    Sale Price $638.47 USD
    Regular Price $857.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW SR-D1-4R Replacement NO<sub>2</sub> Sensor, 4R+-

    Honeywell BW SR-D1-4R Replacement NO2 Sensor, 4R+
    Model: SR-D1-4R

    Sale Price $638.47 USD
    Regular Price $857.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW SR-N1-4R Replacement NO Sensor, 4R+-

    Honeywell BW SR-N1-4R Replacement NO Sensor, 4R+
    Model: SR-N1-4R

    Sale Price $638.47 USD
    Regular Price $857.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW SR-R1-4R Replacement H<sub>2</sub> Sensor, 4R+-

    Honeywell BW SR-R1-4R Replacement H2 Sensor, 4R+
    Model: SR-R1-4R

    Sale Price $638.47 USD
    Regular Price $857.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW 54-9054 Calibration Gas, hydrogen cyanide-

    Honeywell BW 54-9054 Calibration Gas, hydrogen cyanide
    Model: 54-9054

    A $120 hazmat/handling fee will automatically apply to all orders with this product

    Sale Price $636.98 USD
    Regular Price $855.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW 54-9055 Calibration Gas, nitric oxide-

    Honeywell BW 54-9055 Calibration Gas, nitric oxide
    Model: 54-9055

    A $120 hazmat/handling fee will automatically apply to all orders with this product

    Sale Price $636.98 USD
    Regular Price $855.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW 54-9056 Calibration Gas, nitrogen dioxide-

    Honeywell BW 54-9056 Calibration Gas, nitrogen dioxide
    Model: 54-9056

    A $120 hazmat/handling fee will automatically apply to all orders with this product

    Sale Price $636.98 USD
    Regular Price $855.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW 54-9065 Calibration Gas, phosphine-

    Honeywell BW 54-9065 Calibration Gas, phosphine
    Model: 54-9065

    A $120 hazmat/handling fee will automatically apply to all orders with this product

    Sale Price $636.98 USD
    Regular Price $855.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    BW D4-RHM04 Replacement TwinTox Sensor, CO, H<sub>2</sub>S-

    BW D4-RHM04 Replacement TwinTox Sensor, CO, H2S
    Model: D4-RHM04

    Sale Price $636.98 USD
    Regular Price $855.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW SR-M2-4R Replacement CO-H Sensor, 4R+-

    Honeywell BW SR-M2-4R Replacement CO-H Sensor, 4R+
    Model: SR-M2-4R

    Sale Price $624.31 USD
    Regular Price $838.00 USD
    Availability 2 to 3 Weeks

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    Honeywell BW SR-S1-4R Replacement SO<sub>2</sub> Sensor , 4R+-

    Honeywell BW SR-S1-4R Replacement SO2 Sensor , 4R+
    Model: SR-S1-4R

    Sale Price $624.31 USD
    Regular Price $838.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW SR-Z1-4R Replacement HCN Sensor, 4R+-

    Honeywell BW SR-Z1-4R Replacement HCN Sensor, 4R+
    Model: SR-Z1-4R

    Sale Price $624.31 USD
    Regular Price $838.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    BW PS-RD04 Replacement Nitrogen Dioxide (NO<sub>2</sub>) Sensor for GasAlert Extrem & GasAlertMicro 5 -

    BW PS-RD04 Replacement Nitrogen Dioxide (NO2) Sensor for GasAlert Extrem & GasAlertMicro 5
    Model: PS-RD04

    Sale Price $607.18 USD
    Regular Price $815.00 USD
    Availability 3 to 4 Weeks

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    Quantity
    BW PS-RZ10 Replacement Hydrogen Cyanide (HCN) Sensor for GasAlert Extreme & GasAlertMicro 5 -

    BW PS-RZ10 Replacement Hydrogen Cyanide (HCN) Sensor for GasAlert Extreme & GasAlertMicro 5
    Model: PS-RZ10

    Sale Price $604.20 USD
    Regular Price $811.00 USD
    Availability 15+ Weeks

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    Quantity
    Honeywell BW C03-0949-000 Replacement Sensor, HCN-

    Honeywell BW C03-0949-000 Replacement Sensor, HCN
    Model: C03-0949-000

    Sale Price $586.32 USD
    Regular Price $787.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Honeywell BW C03-0950-000 Replacement Sensor, NH<sub>3</sub>-

    Honeywell BW C03-0950-000 Replacement Sensor, NH3
    Model: C03-0950-000

    Sale Price $586.32 USD
    Regular Price $787.00 USD
    Availability 4 to 5 Weeks

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    Quantity
    BW PS-RC10 Replacement Chlorine (Cl<sub>2</sub>) Sensor for GasAlert Extreme & GasAlertMicro 5 -

    BW PS-RC10 Replacement Chlorine (Cl2) Sensor for GasAlert Extreme & GasAlertMicro 5
    Model: PS-RC10

    Sale Price $573.65 USD
    Regular Price $770.00 USD
    Availability 3 to 4 Weeks

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    Quantity
    BW 54-47-01 Replacement Carbon Monoxide (CO) Sensor for ToxiPro Single Gas Detectors-

    BW 54-47-01 Replacement Carbon Monoxide (CO) Sensor for ToxiPro Single Gas Detectors
    Model: 54-47-01

    Sale Price $688.26 USD
    Regular Price $769.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    BW 54-47-02 Replacement Hydrogen Sulfide (H2S) Sensor for ToxiPro Single Gas Detectors-

    BW 54-47-02 Replacement Hydrogen Sulfide (H2S) Sensor for ToxiPro Single Gas Detectors
    Model: 54-47-02

    Sale Price $688.26 USD
    Regular Price $769.00 USD
    Availability 5 to 6 Weeks

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    Showing 21 to 40 of 105 products
    We Ship Free on Orders Over $199 within Canada