GRI products
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Add to Cart The item has been addedGRI GR3045 Panic Switch
Hardwired panic switch with 80A relay capacity for emergency response
- Finger-tip panic switch handles up to 80A direct alarm relay loads
- Deliberate-actuation lever prevents accidental triggering
- Operates 32 to 140 degrees F for unconditioned panic-button placement
Usually Ships in 2-3 Weeks Free shipping over $499$34.92 $24.99 Save $9.93 -
Save $2.84
Add to Cart The item has been addedGRI GR1840 Oval Channel Magnet with Recessed Switch
Oval channel magnet with integrated recessed switch for door status feedback
- Oval channel magnet with built-in recessed reed switch in one unit
- Single-component install - no separate magnetic contact wiring
- Lifetime US-made warranty - recessed mount for clean appearance
Usually Ships in 2-3 Weeks Free shipping over $499$8.83 $5.99 Save $2.84 -
Add to Cart The item has been addedGRI GI-29AW Magnetic Door Contact
When you're spec'ing entry points for intrusion systems where exposed wiring isn't an option and surface-mount aesthetics matter, you need a reliable
- Wide-gap surface-mount magnetic door and window contact
- Normally-closed (NC) hardwired output for fail-safe loop monitoring
- Compact white housing matches residential and office trim
Usually Ships in 2-3 Weeks Free shipping over $499$4.99 -
Save $0.31
Add to Cart The item has been addedGRI GB-550 Glass Break Sensor Open Loop
Acoustic glass break sensor, open loop wiring, 12/24VDC compatible
- Glass break sensor uses acoustic signature for fracture detection
- Filters glass break frequency from ambient vibration and noise
- Open-loop output drops into standard alarm zone wiring
Usually Ships in 2-3 Weeks Free shipping over $499$43.30 $42.99 Save $0.31 -
Save $0.43
Add to Cart The item has been addedGRI DPARM Closed Loop Pool Access Alarm
Closed-loop pool perimeter alarm with integrated access control
- Closed-loop pool access alarm with continuous circuit monitoring
- Detects tampering or line cuts immediately - no silent failures
- 9V battery operation - drop-in for residential pool perimeter
Usually Ships in 2-3 Weeks Free shipping over $499$120.42 $119.99 Save $0.43 -
Save $0.25
Add to Cart The item has been addedGRI 4561R Tilt Sensor with Relay
Tilt sensor with relay output for door and window monitoring
- Tilt sensor with integrated N.O./N.C. relay output to panel
- Switches clean contact closure - no software parsing needed
- 5VA max switching capacity for direct alarm zone integration
Usually Ships in 2-3 Weeks Free shipping over $499$17.24 $16.99 Save $0.25 -
Save $0.89
Add to Cart The item has been addedGRI 4561 Tilt Sensor
Miniature tilt sensor detects 13.3mm displacement for tamper detection
- Compact 2.0 x 0.75 inch tilt sensor for covert equipment monitoring
- Detects panel, cabinet, or display rotation away from secured position
- 25A switching capacity, 5VA max for direct alarm zone wiring
Usually Ships in 2-3 Weeks Free shipping over $499$14.88 $13.99 Save $0.89 -
Save $12.17
Add to Cart The item has been addedGRI 4402 Series Aluminum Industrial Contact
Aluminum industrial contact for access control door monitoring
- Aluminum industrial contact for door position monitoring
- Built-in EOL resistors and diodes available on request
- Lifetime US-made warranty - rack-mountable for control cabinets
Usually Ships in 2-3 Weeks Free shipping over $499$45.16 $32.99 Save $12.17 -
Save $16.27
Add to Cart The item has been addedGRI 4400AB Biased Aluminum Industrial Contact Switch
SPDT contact switch with 1/2"–2" adjustable gap for gate and dock automation
- Biased aluminum contact - 1/2 to 2-inch adjustable door gap range
- 36-inch pre-attached armored cable cuts on-site wire pulls
- Lifetime warranty - US-made biased switch with anti-defeat logic
Usually Ships in 2-3 Weeks Free shipping over $499$59.26 $42.99 Save $16.27 -
Save $12.05
Add to Cart The item has been addedGRI 4400 Aluminum Industrial Wide Gap Contact
Aluminum contact for wide-gap door frames in commercial access control
- Aluminum wide-gap industrial contact resists oxidation in damp sites
- Lifetime warranty - US-made 2.0 x 0.6 x 0.72 in housing
- Secures chain-link gates, overhead doors, and outbuildings
Usually Ships in 2-3 Weeks Free shipping over $499$43.04 $30.99 Save $12.05 -
Save $7.83
Add to Cart The item has been addedGRI 2800 Surface Mount Water Contact Sensor
Surface-mount water sensor with direct contact detection, no drilling
- Surface-mount water contact sensor reacts only to liquid presence
- 5VDC operation drops into standard ELK low-voltage zone wiring
- Filters out humidity false alarms for sub-floor and server rooms
Usually Ships in 2-3 Weeks Free shipping over $499$29.82 $21.99 Save $7.83 -
Save $15.01
Add to Cart The item has been addedGRI 2600 Water Sensor with Relay
Passive water sensor with relay for 12V/24V alarm systems, no power needed
- Water sensor with built-in N.O. relay - no intermediate switching
- Conductive moisture probe distinguishes water from humidity
- 12V/24V alarm system compatible for direct panel zone wiring
Usually Ships in 2-3 Weeks Free shipping over $499$44.00 $28.99 Save $15.01 -
Save $0.84
Add to Cart The item has been addedGRI 4700A Industrial Track Mount Overhead Door Contact
Track-mounted overhead door contact for industrial loading docks
- Industrial track-mount overhead door contact for warehouse doors
- Track mounting protects sensor from door cycle impact and debris
- Lifetime US-made warranty for high-cycle commercial deployments
Usually Ships in 2-3 Weeks Free shipping over $499$79.83 $78.99 Save $0.84 -
Save $8.13
Add to Cart The item has been addedGRI 2800-W Surface Mount Water Contact Sensor
Surface-mount water sensor for leak detection in facilities
- Surface-mount water contact closes dry contact when bridged
- 5-24 VDC operation with 10 uA standby current - very low power
- Drops into computer rooms, sub-floors, and telecom equipment areas
Usually Ships in 2-3 Weeks Free shipping over $499$31.12 $22.99 Save $8.13 -
Save $113.40
Add to Cart The item has been addedGRI WVS Water Valve Shutoff
Automatic water shutoff controller stops floods at the source
- Automatic water valve shutoff triggers on flood or abnormal flow
- 55 mA draw at 12V DC - low alarm panel aux power impact
- Integrated battery backup keeps shutoff active during AC outage
Usually Ships in 2-3 Weeks Free shipping over $499$540.39 $426.99 Save $113.40 -
Save $43.93
Add to Cart The item has been addedGRI T8800 Temperature Sensor
Industrial temperature sensor for HVAC control and facility automation
- Industrial temperature sensor for factory floor and server rooms
- 10VDC operation drops into standard environmental monitoring loops
- US-made 1 lb housing for outdoor equipment enclosure deployments
Usually Ships in 2-3 Weeks Free shipping over $499$156.92 $112.99 Save $43.93 -
Save $25.07
Add to Cart The item has been addedGRI SG-2 ShockTec Vibration Sensor
Ground vibration sensor with 5–500 Hz detection for perimeter breach warning
- ShockTec vibration sensor detects climbing, cutting, and impact
- Standoff warning before intruder reaches the fence or barrier
- 12V DC or battery operation - relay contact closure to panel
Usually Ships in 2-3 Weeks Free shipping over $499$88.06 $62.99 Save $25.07 -
Save $0.49
Add to Cart The item has been addedGRI PAA Pool Access Alarm
Standalone pool perimeter alarm with instant visual and audible alert
- Closed-loop pool access alarm tuned for pool perimeter coverage
- Ultralife 9V lithium battery for multi-year unattended operation
- Filters wind, animals, and vegetation movement false alarms
Usually Ships in 2-3 Weeks Free shipping over $499$176.48 $175.99 Save $0.49 -
Save $51.59
Add to Cart The item has been addedGRI H8800 Humidity Sensor
Precision RH sensor for HVAC, data centers, and facility monitoring
- Humidity sensor for HVAC, climate control, and facility monitoring
- 10VDC operation drops into standard sensor power buses
- Reliable output for commercial and industrial environment tracking
Usually Ships in 2-3 Weeks Free shipping over $499$239.58 $187.99 Save $51.59 -
Save $168.59
Add to Cart The item has been addedGRI GR2723 High Security Biased Contact
High-security biased contact for access control door strikes
- Biased magnetic contact for high-security door position monitoring
- Lifetime US-made warranty - tamper and defeat resistant
- Drops into standard alarm zone wiring with EOL resistor compatibility
Usually Ships in 2-3 Weeks Free shipping over $499$590.58 $421.99 Save $168.59