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Duct Detectors

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Initiating Devices

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211 products

Condition: New
Hochiki NS4-220

Hochiki NS4-220 Detector Base NS4 Series Conv 2-Wire 4 Inch 24VDC

In stock!

$9.99
$9.99
Condition: New
Edwards EC2-RB

Edwards EC2-RB Base Relay EC2 Series

Out of stock; call for lead time

$22.99
$22.99
Condition: New
Hochiki HSC-224L

Hochiki HSC-224L Detector Base Conv 2-Wr 6 24VDC w/LED Tmpr-Lck Lug

In stock!

$27.99
$27.99
Condition: New
HK-F1D2-3482

Hochiki SCI-B6 Detector Base 6 Analog Sensor w/Isolator

Only 3 left!

$57.99
$57.99
Condition: New
Hochiki NS4-100

Hochiki NS4-100 Detector Base NS4 Series Conv 2-Wire 4 Inch 24VDC

Out of stock; call for lead time

$8.99
$8.99
Condition: New
PT-F1D2-9607

Potter Electric Signal PAD100-RB Base Pad 100 Rly Only Works w/Arc/Afc Series

Only 3 left!

$83.99
$83.99
Condition: New
Edwards SIGA-RB4

Edwards SIGA-RB4 Detector Base Relay Flangeless 6" 15.2-19.95VDC

Only 4 left!

$38.99
$38.99
Condition: New
Potter Electric Signal PAD100-4DB

Potter Electric Signal PAD100-4DB Base Pad 100 4 Only Works w/Arc/Afc Series.

Only 6 left!

$13.99
$13.99
Condition: New
Apollo 45681-325USA

Apollo 45681-325USA Base Relay 4in Series 65A Auxillary

Out of stock; call for lead time

$4.99
$4.99
Edwards CSB4U-1-RC

Edwards CSB4U-1-RC RECON-STD DETECTOR BASE W/TERMINALSFOR 4 SQ BOX

Only 1 left!

$74.99
$74.99
Condition: New
Siemens (Pyro) DB-3S

Siemens (Pyro) DB-3S Detector Base Std Low Flangless 6 Inch

Only 3 left!

$16.99
$16.99
Condition: New
Apollo SA5000-210APO

Apollo SA5000-210APO Base 4in Addressable White Soteria

Out of stock; call for lead time

$9.99
$9.99
Faraday (Siemens) 8715-RC

Faraday (Siemens) 8715-RC RECON - Base Audible for MPC6000 MPC7000

In stock!

$579.45
$579.45
+ $100 Refundable core deposit A core charge is a fee you pay when buying a part, that will be returned to you when you send the old part you’re replacing back. In other words, it’s a monetary incentive to get your old part so that we can recondition and continue to offer this part to future customers.
Requires reconditioning, ships in 14–21 days.
Condition: New
Potter Electric Signal PAD300-RB

Potter Electric Signal PAD300-RB Base 6in Relay Form C

In stock!

$77.99
$77.99
Condition: New
AP-F1D2-3815

Apollo MB-SDRT-CV Detector Base Sounder Multi-Flex

Out of stock; call for lead time

$45.99
$45.99
Condition: New
System Sensor B224BI-WH

System Sensor B224BI-WH Detector Base Isolator Br White Velociti Protocol

Out of stock; call for lead time

$68.99
$68.99
Edwards SIGA-RB4-RC

Edwards SIGA-RB4-RC RECON BASE SIGNATURE RELAY FORM C ADDRESSABLE

Only 2 left!

$74.99
$74.99
Simplex 4098-9682-RC

Simplex 4098-9682-RC RECON-Base Truealarm Relay Form C Conv 4875

Only 3 left!

$198.99
$198.99
Edwards SIGA-AB4-RC

Edwards SIGA-AB4-RC RECON-Base Audible Mounts To 4 Square

Out of stock; call for lead time

$89.92
$89.92
Condition: New
System Sensor B224RB-WH

System Sensor B224RB-WH Detector Base Relay White Velociti Protocol

Out of stock; call for lead time

$66.99
$66.99
Condition: New
System Sensor B501-IV

System Sensor B501-IV Detector Base Ivory Flangeless 4 Inch

In stock!

$26.99
$26.99
System Sensor B350LP-RC

System Sensor B350LP-RC RECON-Detector Base Plug-In Incl w/Adddr Detector

In stock!

$74.99
$74.99
Condition: New
SP-F1D2-9851

Simplex 4098-9795 Detector Base Sounder Truealarm Series

Out of stock; call for lead time

$79.99
$79.99
Simplex 4098-9683-RC

Simplex 4098-9683-RC RECON-Detector Base Relay Dual Form C Conv 2 Wr

Out of stock; call for lead time

$154.48
$154.48
Simplex 2098-9641-RC

Simplex 2098-9641-RC RECON-Detector Base MapNet

Only 6 left!

$80.74
$80.74
Condition: New
SP-F1D2-5558

Simplex 4098-9788E Detector Base Truealarm Series 2-Wire LED

In stock!

$19.99
$19.99
Simplex 4098-9787-RC

Simplex 4098-9787-RC RECON-Detector Base Truealarm w//Relay Driver

Out of stock; call for lead time

$236.66
$236.66
Simplex 920192-RC

Simplex 920192-RC RECON-Detector Base IBN-552 6 Low Profile Addr

Out of stock; call for lead time

$74.99
$74.99
Simplex 515468-RC

Simplex 515468-RC RECON-Detector Base 6B-6 Low-Pro REM LED Output

Only 1 left!

$74.99
$74.99
Siemens (Pyro) DB-X3RS-RC

Siemens (Pyro) DB-X3RS-RC RECON-Detector Base Relay Addressable

Only 1 left!

$74.99
$74.99
Condition: New
PR-F1D2-7794

Siemens (Pyro) SBGA-34 Detector Base Audible w/Temp 4 for Co

Out of stock; call for lead time

$211.99
$211.99
Siemens (Pyro) DB-3S-RC

Siemens (Pyro) DB-3S-RC RECON-Detector Base DI-3 Series Standard Conv 6

Only 2 left!

$74.99
$74.99