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About Us

Zoro Tools has a simple mission—
We help small business stay competitive!

We do this by offering more than 375,000 great products at super low prices. Small businesses have historically been at a disadvantage to larger companies who can buy stuff at lower prices because of their size. We want to change that!

Zoro Tools has most of the products that the “big guys” have and we offer every single one of them at an everyday low price. There are no complex discount structures to understand and no hidden costs. Every customer pays the same low price for an item—whether you want to buy one or one thousand!

Like you, we believe that the key to success is to always put our customers first.

 meet the staff

Contact Us

We live for the moments that we can make
you happy—that’s the truth!

Most of our business occurs through the internet. However, we know that there are times when you need to communicate with a person. Our customer service staff is here to help you. You can contact us in the way that works best for you.

Our customer service hours are Monday thru Friday from 7AM to 7PM (CST).

Si necesita ayuda en español, por favor, comuníquese con nosotros por teléfono. Gracias.

Phone

855.BUY.ZORO (855.289.9676)

Fax

855.FAX.ZORO (855.329.9676)

Email

askZoro@zorotools.com

Using Our Site

Zoro Tools has designed a unique and intuitive product search feature.

All you need to do is select the product attribute values you are looking for within your search results (size, color, material, etc.) by clicking on the value you want, and the products that meet the criteria you have chosen are immediately shown in a table right below where you made your selections.

The more specific you are in your attribute selections—the narrower the search results will become in your very own “custom made” product table!

If you prefer to search using manufacturer model #, a competitor’s part number or a Zoro Tools part number, just enter that number into the “search bar” at the top of the page, you will immediately be taken to a page that contains the item.

Open Account Billing

Open Account Billing

 learn how to apply

{business customers only}

Catalog Request

Top Products Guide

Right now, Zoro Tools’ FULL CATALOG is our website. So, you have full access to it all the time.

To request our Top Products Guide, please click below and fill out the form. Catalog requests may take up to 3 weeks to fulfill so we have also included a pdf version of the catalog to download.

In addition, you will automatically be placed on the mailing list once you buy from Zoro Tools.

 request a product guide

Questions/Feedback

If you have any questions or if there’s anything we can improve upon, please let us know…

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Smoke & Carbon Monoxide Detectors

SYSTEM SENSOR
Fire Alarm System Components
Product Options
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Item Type Finish Mounting Depth (In.) Height (In.) Length (In.) Width (In.) Duct Width (Ft.) Ambient Temp. Limits (F) Humidity Range (% RH) Voltage Includes Flash (Candela) Tube Length (Ft.) Mfr.# ZoroItem# Price Qty.
Remote Annunciator With Piezo Alarm Signaling Device White Single Gang Box 1/2 4-1/2 - 3 - 32 to 120 - 16 to 33 VDC Pendant Mount - - APA151 G1059116 $27.07/EA
Sampling Tube Smoke Detector Metal Connects to Smoke Detector 1 1 18 - 1 to 2 - - - - - - DST1.5 G3372232 $5.73/EA
Carbon Monoxide Detector Signaling Device White Single Gang Box - 6 6 6 - 32 to 104 22 to 90 12/24 VDC Pendant Mount - - CO1224T G3470302 $83.16/EA
Multi Signaling Unit - White Single Gang Box 1-1/2 5-1/4 - 4-3/4 - 14 to 140 0 to 95 20 to 29 VDC Mounting Plate - - RTS2-AOS G0493236 $121.81/EA
Duct Smoke Detector Watertight, Photoelectric White Duct 2-1/2 - 14-3/8 5-1/2 - -4 to 158 0 to 95 24VDC/ 24VAC/ 120VAC Housing and Detector - - D4120W G2393456 $183.89/EA
Remote Annunciator Alarm LED Signaling Device White Single Gang Box 1-1/4 4-5/8 - 2-3/4 - 14 to 140 0 to 95 18 to 32 VDC Mounting Plate - - RA100Z G3396346 $15.46/EA
Photoelectric, Duct Smoke Detector Universal - - 2-1/2 5 14-3/8 - - -4 to 158 0 to 95 24VDC/ 24VAC/ 120VAC - - - D4120 G1106524 $139.00/EA
Sampling Tube Smoke Detector - Connects to Smoke Detector - - - 1/2 8 to 12 - 0 to 95 - - - 10 DST10 G4707053 $21.16/EA
Multi Signaling Unit Smoke Detector - - 1-5/8 5-3/8 4-7/8 - - 14 to 140 - 20 to 29 VDC - - - RTS2 G4712267 $75.00/EA
Remote Test Station - White Single Gang Box 1-3/4 4-3/4 - 2-3/4 - 14 to 140 0 to 95 2.8 to 32 VDC Pendant Mount - - RTS151 G3338727 $32.91/EA
Sampling Tube Smoke Detector Metal Connects to Smoke Detector 1 1 36 - 2 to 4 - - - - - - DST3 G1843064 $7.72/EA
Remote Test Station With Key Lock - White Single Gang Box 1-3/4 4-3/4 - 2-3/4 - 14 to 140 0 to 95 2.8 to 32 VDC Test Switch - - RTS151KEY G3507287 $47.86/EA
Sampling Tube Smoke Detector - Connects to Smoke Detector - - - 1/2 1 to 2 - 0 to 95 - - - 1 DST1 G4719181 $4.28/EA
Photoelectric Power Board Smoke Detector - - 2-1/2 5 7-3/4 - - -4 to 158 0 to 95 24/120 Power Board - - D4P120 G4720861 $77.08/EA
Strobe Light Smoke Detector - - - - - - - 14 to 140 - - - 1 - AOS G4721771 $37.52/EA
Photoelectric Sensor Smoke Detector - - 2-1/2 5 7-3/4 - - -4 to 158 0 to 95 - Duct Smoke Detector Sensor - - D4S G4723801 $72.52/EA
Sampling Tube Smoke Detector Metal Connects to Smoke Detector 1 1 60 - 4 to 8 - - - - - - DST5 G2497047 $9.65/EA
Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: APA151, Z#: G1059116

Product Description: Remote Annunciator With Piezo Alarm, Signaling Device, Finish White, Single Gang Box Mounting, Alarm Current 30mA, Depth 1/2 In., Height 4 1/2 In., Width 3 In., Ambient Temp. Limits 32 to 120 F, Voltage 16 to 33 VDC, Standards UL, Includes Pendant Mount, For Use With G2393456
Alarm Current : 30mA, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: DST1.5, Z#: G3372232

Product Description: Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth 1 In, Height 1 In, Length 18 In, Duct Width 1 to 2 Ft, For Use With G1106524,G2393456

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: CO1224T, Z#: G3470302

Product Description: Carbon Monoxide Detector, Signaling Device, Finish White, Single Gang Box Mounting, Alarm Current 40mA, Peak Output 85 dBA, Height 6 In., Length 6 In., Width 6 In., Ambient Temp. Limits 32 to 104 F, Alarm Aux. Contact @ 30VDC 0.5 A, Humidity Range 22 to 90 % RH, Standby State 20 mA, Voltage 12/24 VDC, Standards UL, Includes Pendant Mount, For Use With Alarm Control Panels
Alarm Current : 40mA, Peak Output (dBA) : 85, Alarm Aux. Contact @ 30VDC : 0.5 A, Number Required : 1, Standby State (mA) : 20, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: RTS2-AOS, Z#: G0493236

Product Description: Multi Signaling Unit, Finish White, Single Gang Box Mounting, Alarm Current 55mA, Peak Output 85 dBA, Depth 1 1/2 In., Height 5 1/4 In., Width 4 3/4 In., Ambient Temp. Limits 14 to 140 F, Humidity Range 0 to 95 % RH, Voltage 20 to 29 VDC, Standards UL, Includes Mounting Plate, For Use With G2393456
Alarm Current : 55mA, Peak Output (dBA) : 85, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: D4120W, Z#: G2393456

Product Description: Duct Smoke Detector, Watertight, Photoelectric, Finish White, Duct Mounting, Alarm Current 100mA, Depth 2 1/2 In., Length 14 3/8 In., Width 5 1/2 In., Ambient Temp. Limits -4 to 158 F, Air Velocity 100 - 4000 FPM, Alarm Aux. Contact @ 30VDC 10A, Humidity Range 0 to 95 % RH, Voltage 24VDC/ 24VAC/ 120VAC, Standards UL, Includes Housing and Detector
Alarm Current : 100mA, Air Velocity (FPM) : 100 to 4000, Alarm Aux. Contact @ 30VDC : 10A, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: RA100Z, Z#: G3396346

Product Description: Remote Annunciator, Signaling Device, Finish White, Single Gang Box Mounting, Alarm Current 12 mA, Depth 1 1/4 In., Height 4 5/8 In., Width 2 3/4 In., Ambient Temp. Limits 14 to 140 F, Humidity Range 0 to 95 % RH, Voltage 18 to 32 VDC, Standards UL, Includes Mounting Plate, For Use With G2393456
Alarm Current : 12 mA, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: D4120, Z#: G1106524

Product Description: Photoelectric, Duct Smoke Detector, Universal, Depth 2 1/2 In, Height 5 In, Length 14 3/8 In, Ambient Temp Limits -4 to 158 F, Air Velocity 100 - 4000 FPM, Alarm Aux Contact @ 250V 10A, Alarm Aux Contact @ 30VDC 10A, Alarm State Max 60mA @24VDC/ Max 130mA RMS @24VAC/ Max 35mA RMS @120VAC mA, Humidity Range 0 to 95 % RH, Standby State Max 25mA @24VDC/ Max 55mA RMS @24VAC/ Max 20mA RMS @120VAC mA, Voltage 24VDC/ 24VAC/ 120VAC
Air Velocity (FPM) : 100 to 4000, Alarm Aux. Contact @ 250V : 10A, Alarm Aux. Contact @ 30VDC : 10A, Alarm State (mA) : Max 60mA @24VDC/ Max 130mA RMS @24VAC/ Max 35mA RMS @120VAC, Standby State (mA) : Max 25mA @24VDC/ Max 55mA RMS @24VAC/ Max 20mA RMS @120VAC

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: DST10, Z#: G4707053

Product Description: Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 10, Width (In.) 1/2, Duct Width (Ft.) 8 to 12, Humidity Range ( Percent RH) 0 to 95, Number Required 1, For Use With Mfr. No. D4120 and D4S
Number Required : 1

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: RTS2, Z#: G4712267

Product Description: Multi Signaling Unit, Smoke Detector, Alarm Current 30mA, Peak Output (dBA) 85, Depth (In.) 1-5/8, Height (In.) 5-3/8, Length (In.) 4-7/8, Ambient Temp. Limits (F) 14 to 140, Standby State (mA) 3.0, Voltage 20 to 29 VDC, Standards UL, FM, For Use With Mfr. No. D4120, D4S, D4P120
Alarm Current : 30mA, Peak Output (dBA) : 85, Number Required : 1, Standby State (mA) : 3.0, Standards : UL, FM

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: RTS151, Z#: G3338727

Product Description: Remote Test Station, Finish White, Single Gang Box Mounting, Alarm Current 105 mA, Depth 1 3/4 In., Height 4 3/4 In., Width 2 3/4 In., Ambient Temp. Limits 14 to 140 F, Humidity Range 0 to 95 % RH, Voltage 2.8 to 32 VDC, Standards UL, Includes Pendant Mount, For Use With G2393456
Alarm Current : 105 mA, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: DST3, Z#: G1843064

Product Description: Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth 1 In, Height 1 In, Length 36 In, Duct Width 2 to 4 Ft, For Use With G1106524,G2393456

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: RTS151KEY, Z#: G3507287

Product Description: Remote Test Station With Key Lock, Finish White, Single Gang Box Mounting, Alarm Current 105 mA, Depth 1 3/4 In., Height 4 3/4 In., Width 2 3/4 In., Ambient Temp. Limits 14 to 140 F, Humidity Range 0 to 95 % RH, Voltage 2.8 to 32 VDC, Standards UL, Includes Test Switch, For Use With G2393456
Alarm Current : 105 mA, Number Required : 1, Standards : UL

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: DST1, Z#: G4719181

Product Description: Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 1, Width (In.) 1/2, Duct Width (Ft.) 1 to 2, Humidity Range ( Percent RH) 0 to 95, Number Required 1, For Use With Mfr. No. D4120 and D4S
Number Required : 1

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: D4P120, Z#: G4720861

Product Description: Photoelectric Power Board, Smoke Detector, Alarm Current Max 65mA @24VDC/ Max 135mA RMS @24VAC/ Max 35mA RMS @120VAC, Depth (In.) 2-1/2, Height (In.) 5, Length (In.) 7-3/4, Ambient Temp. Limits (F) -4 to 158, Air Velocity (FPM) 100 to 4000, Alarm Aux. Contact @ 250V 10A, Alarm Aux. Contact @ 30VDC 10A, Humidity Range ( Percent RH) 0 to 95, Standby State (mA) Max 21mA @24VDC/ Max 65mA RMS @24VAC/ Max 20mA RMS @120VAC, Voltage 24/120, Standards UL, FM, Includes Power Board
Alarm Current : Max 65mA @24VDC/ Max 135mA RMS @24VAC/ Max 35mA RMS @120VAC, Air Velocity (FPM) : 100 to 4000, Alarm Aux. Contact @ 250V : 10A, Alarm Aux. Contact @ 30VDC : 10A, Number Required : 1, Standby State (mA) : Max 21mA @24VDC/ Max 65mA RMS @24VAC/ Max 20mA RMS @120VAC, Standards : UL, FM

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: AOS, Z#: G4721771

Product Description: Strobe Light, Smoke Detector, Alarm Current 55mA, Flash (Candela) 1, Ambient Temp. Limits (F) 14 to 140, Standby State (mA) 3.0, Standards UL, FM, For Use With Mfr. No. RTS2
Alarm Current : 55mA, Number Required : 1, Standby State (mA) : 3.0, Standards : UL, FM

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: D4S, Z#: G4723801

Product Description: Photoelectric Sensor, Smoke Detector, Depth (In.) 2-1/2, Height (In.) 5, Length (In.) 7-3/4, Ambient Temp. Limits (F) -4 to 158, Air Velocity (FPM) 100 to 4000, Humidity Range ( Percent RH) 0 to 95, Standards UL, FM, Includes Duct Smoke Detector Sensor, For Use With Mfr. No. D4P120, RTS2, DST Sampling Tubes
Air Velocity (FPM) : 100 to 4000, Number Required : 1, Standards : UL, FM

Product Details

Smoke & Carbon Monoxide Detectors

Brand: SYSTEM SENSOR
Mfr#: DST5, Z#: G2497047

Product Description: Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth 1 In, Height 1 In, Length 60 In, Duct Width 4 to 8 Ft, For Use With G1106524,G2393456