passcode collection image

Modal Title

Passcode

Skip to content

Same-Day Shipping on Orders Placed Before 2 PM ET

1-800-488-4785
Careers

Search

Register Sign In Cart

Shop
Clearance
Repair
Buy Back
Contact

Shop
Clearance
Repair
Buy Back
Contact

Register Sign In

Country/region

Facebook
X (Twitter)
Instagram
YouTube

Search results

Search

1000 results

Filter

Sort by:

Brand

Availability

In stock 1000
Out of stock 59

Condition

New 1000
NEW 2
Reconditioned 1
Refurbish 71
UsedVeryGood 356

Product Category

Access Control 2
Chemical Suppression 2
Communication 14
Detectors 569
Duct Detectors 106
Fire Alarm 440
Fire Protection 1
Fire Sprinkler 5
HVAC 3
Initiating Devices 137
Notification 281
Nurse Call 1
Power 19
Security 4

Product Type

Sort by:

Brand

Availability

In stock 1000
Out of stock 59

Condition

New 1000
NEW 2
Reconditioned 1
Refurbish 71
UsedVeryGood 356

Product Category

Access Control 2
Chemical Suppression 2
Communication 14
Detectors 569
Duct Detectors 106
Fire Alarm 440
Fire Protection 1
Fire Sprinkler 5
HVAC 3
Initiating Devices 137
Notification 281
Nurse Call 1
Power 19
Security 4

Product Type

Silent Knight SD505-AHS-RC

Silent Knight SD505-AHS-RC RECON-HEAT DETECTOR (HOCHIKI ADDRESSABLE )

Only 2 left!

Regular price $159.99

Sale price $159.99 Regular price

Unit price

/per

Choose your option

Notifier FST-951H

Notifier FST-951H Detector Heat Intel Addrs High Temp 190F

In stock!

Regular price $59.99

Sale price $59.99 Regular price

Unit price

/per

Choose your option

Hochiki DCD-135

Hochiki DCD-135 Detector Heat 135F Fixed Temp/ROR

In stock!

Regular price $35.99

Sale price $35.99 Regular price

Unit price

/per

Choose your option

Napco FWC-FSLC-HEAT

Napco FWC-FSLC-HEAT Addressable Analog Slc Heat Detector 135°F

Only 2 left!

Regular price $59.99

Sale price $59.99 Regular price

Unit price

/per

Choose your option

Firelite H365HT

Firelite H365HT Detector Heat High Heat White Includes Base

In stock!

Regular price $107.99

Sale price $107.99 Regular price

Unit price

/per

Choose your option

Simplex 4098-9402-RC

Simplex 4098-9402-RC RECON-Detector Heat 135F ROR

Only 4 left!

Regular price $74.99

Sale price $74.99 Regular price

Unit price

/per

Requires reconditioning, ships in 14–21 days.

Choose your option

SP-F1D2-2917

Simplex 677-201 Detector Base Relay 4098

Out of stock; call for lead time

Regular price $77.99

Sale price $77.99 Regular price

Unit price

/per

Choose your option

Siemens (Pyro) HI921

Siemens (Pyro) HI921 Detector Heat Fixed/ROR

In stock!

Regular price $79.99

Sale price $79.99 Regular price

Unit price

/per

Choose your option

Firelite H365R

Firelite H365R Detector Heat Rate-of-Rise White w/Base

Out of stock; call for lead time

Regular price $103.99

Sale price $103.99 Regular price

Unit price

/per

Choose your option

Gamewell FCI ATD-L3-IV

Gamewell FCI ATD-L3-IV Detector Heat Thermal Sensor 135 Velociti/Clip IV

Only 2 left!

Regular price $272.99

Sale price $272.99 Regular price

Unit price

/per

Choose your option

Silent Knight SK-HEAT-HT-W

Silent Knight SK-HEAT-HT-W Detector Heat Hi-Temp Addrs White w/Base

Out of stock; call for lead time

Regular price $116.99

Sale price $116.99 Regular price

Unit price

/per

Choose your option

Siemens (Pyro) FDT421

Siemens (Pyro) FDT421 Detector Heat Fixed/ROR

Only 3 left!

Regular price $98.99

Sale price $98.99 Regular price

Unit price

/per

Choose your option

A top view of the Gamewell FCI ATD-L3R-IV thermal heat detector, showing its ivory color and circular design with a central point.

Gamewell FCI ATD-L3R-IV Detector Heat Therm Sensor Rate Of Rise 15/135 Vel

In stock!

Regular price $231.99

Sale price $231.99 Regular price

Unit price

/per

Choose your option

Simplex 515461-RC

Simplex 515461-RC RECON-Detector Heat Hi-Heat Head Addr w/Prog Set

Only 6 left!

Regular price $127.56

Sale price $127.56 Regular price

Unit price

/per

Choose your option

Mircom CR-135W

Mircom CR-135W Detector Heat ROR/Fixed Temp 135F White

Only 1 left!

Regular price $25.99

Sale price $25.99 Regular price

Unit price

/per

Choose your option

Silent Knight IDP-HEAT-HT-W

Silent Knight IDP-HEAT-HT-W Detector Heat Hi-Temp Addrs Variable

Only 8 left!

Regular price $54.99

Sale price $54.99 Regular price

Unit price

/per

Choose your option

Prev
1
…
4
5
6
7
8
…
63
Next

Customer Service

Account
Order History
Shipping & Returns

Protegis

About Us
News
Privacy Policy
Site Terms
Blog

Connect With Us

partssales@protegis.com

800.488.4785

Country/region

Payment methods

Facebook
X (Twitter)
Instagram
YouTube

© 2026 Protegis Fire & Safety.

About Us
Order History
Repair
Buy Back
Privacy Policy
Site Terms

Your cart

Your cart is currently empty.

Not sure where to start?
Try these collections:

All Parts

Continue shopping

Estimated total $0.00 USD

Taxes and shipping calculated at checkout

View cart

Product Comparison

Description

Price

Vendor

Type

Choosing a selection results in a full page refresh.
Opens in a new window.