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Pre-Engineered Systems

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Duct Detectors

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Annunciators

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Initiating Devices

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515 products

A white, round Siemens (Pyro) HFP-11-RC photoelectric fire detector with a central circular design and a white plastic housing.

Siemens (Pyro) HFP-11-RC RECON-Detector Photoelectric Fireprint

In stock!

$256.49
$256.49
Condition: New
A white Siemens (Pyro) OP921 Cerberus PRO Intelligent Photoelectric Smoke Detector with a triangular LED indicator on the top.

Siemens (Pyro) OP921 Detector Photoelectric Smoke Plug-In Addr 2-Wire

In stock!

$81.99
$81.99
Condition: New
A Siemens (Pyro) FDO421 intelligent addressable photoelectric smoke detector with a white finish, featuring a round shape with an integrated LED indicator.

Siemens (Pyro) FDO421 Detector Optical Smoke

In stock!

$99.99
$99.99
Condition: New
A white Siemens DB-11 detector base with low-profile surface-mount design, featuring screw-clamp contacts for electrical connections.

Siemens (Pyro) DB-11 Detector Base Surface Low Flanged Addrs

In stock!

$9.99
$9.99
Siemens (Pyro) FP-11-RC

Siemens (Pyro) FP-11-RC RECON-Detector Photoelectric

In stock!

$237.49
$237.49
Requires reconditioning, ships in 14–21 days.
Condition: New
Siemens (Pyro) HMS-D

Siemens (Pyro) HMS-D Pull Station Manual HMS Dual Action No-Code Red

In stock!

$387.99
$387.99
Condition: New
Siemens (Pyro) ZR-MC-R

Siemens (Pyro) ZR-MC-R Strobe Z Series Red Multi-Cd

Only 3 left!

$69.99
$69.99
Condition: New
Siemens (Pyro) OOHC941

Siemens (Pyro) OOHC941 Detector Combo Optical/Heat/CO

In stock!

$198.99
$198.99
Condition: New
Siemens (Pyro) DPU

Siemens (Pyro) DPU Device Programmer/Loop Tester

Out of stock; call for lead time

$974.99
$974.99
Condition: New
Siemens (Pyro) FDBZ492-HR

Siemens (Pyro) FDBZ492-HR Duct Housing-2 Wr w/Rly For Addressable Systems

In stock!

$152.99
$152.99
Condition: New
Siemens (Pyro) HTRI-S

Siemens (Pyro) HTRI-S Module Monitor Single Input

Only 10 left!

$219.99
$219.99
Siemens (Pyro) HFPO-11-RC

Siemens (Pyro) HFPO-11-RC RECON-Detector Photoelectric Fireprint 2 Wr Intel

Only 1 left!

$434.99
$434.99
+ $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
Siemens (Pyro) FDOOTC441

Siemens (Pyro) FDOOTC441 Detector Combo PE/HEAT/CO Dual

In stock!

$272.99
$272.99
Condition: New
Siemens (Pyro) ABHW-4S

Siemens (Pyro) ABHW-4S Detector Base 520 Hz Low Freq Audible

In stock!

$85.99
$85.99
Condition: New
Siemens (Pyro) OOH941

Siemens (Pyro) OOH941 Detector Combo Optical/Heat Dual

In stock!

$117.99
$117.99
Condition: New
Siemens (Pyro) OP121

Siemens (Pyro) OP121 Detector Photoelectric Smoke Magnet Test Twst-Lock

In stock!

$54.99
$54.99
Condition: New
Siemens (Pyro) PAD-3-MB

Siemens (Pyro) PAD-3-MB Board Main Only for PAD-3

Only 4 left!

$477.99
$477.99
Condition: New
Siemens (Pyro) PAD-3

Siemens (Pyro) PAD-3 NAC Power Extender 6 Amps

Only 4 left!

$568.99
$568.99
Siemens (Pyro) TRI-R-RC

Siemens (Pyro) TRI-R-RC RECON-Single Input With Relay

Only 1 left!

$372.99
$372.99
Siemens (Pyro) ZH-MC-R-RC

Siemens (Pyro) ZH-MC-R-RC RECON-Horn-Strobe Z Multi Candela Wall Red

Out of stock; call for lead time

$122.99
$122.99
Siemens (Pyro) TRI-D-RC

Siemens (Pyro) TRI-D-RC RECON-Dual Input Module

In stock!

$503.99
$503.99
A white, circular Faraday photoelectric smoke detector with a central LED indicator and mounting screws visible from the bottom.

Faraday (Siemens) 8710-RC RECON-Detector Photoelectric MPC-6000 MPC-7000/X1

In stock!

$358.14
$358.14
+ $50 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
Siemens (Pyro) HTRI-D

Siemens (Pyro) HTRI-D Module Monitor Dual Input

Out of stock; call for lead time

$249.99
$249.99
Condition: New
Siemens (Pyro) ZH-MC-CW

Siemens (Pyro) ZH-MC-CW Horn-Strobe Z Horn Multi Candela Ceiling White

Out of stock; call for lead time

$119.99
$119.99
Condition: New
Siemens (Pyro) SL2HSWR-F

Siemens (Pyro) SL2HSWR-F Horn-Strobe Wall Red Fire

Only 7 left!

$109.99
$109.99
Condition: New
Siemens (Pyro) PAD-4-6A

Siemens (Pyro) PAD-4-6A Power Supply 6 Amp Pad-4 Kit w/Encl Board 170W

Only 2 left!

$611.99
$611.99
Siemens (Pyro) HTRI-R-RC

Siemens (Pyro) HTRI-R-RC RECON-Single Input Monitor Module With Relay

Out of stock; call for lead time

$145.19
$145.19
Condition: New
Siemens (Pyro) DPU-C1

Siemens (Pyro) DPU-C1 Carrying Case DPU

Only 1 left!

$142.99
$142.99
Condition: New
Siemens (Pyro) FDOT421

Siemens (Pyro) FDOT421 Detector Combo PE/Thermal

In stock!

$114.99
$114.99
Condition: New
Siemens (Pyro) MSM-K-WP

Siemens (Pyro) MSM-K-WP Pull Station Metal Manual Cat 45 Keylock

Only 4 left!

$167.99
$167.99
Condition: New
Siemens (Pyro) SL2SCW-F

Siemens (Pyro) SL2SCW-F Strobe, Ceiling White Fire

In stock!

$81.99
$81.99
Condition: New
Siemens (Pyro) PAD-4-MB

Siemens (Pyro) PAD-4-MB Board Main NAC Expander Pad-4

Only 3 left!

$434.99
$434.99