Fire Alarm
Your source for fire alarm products. Please note, if you don't see the item your looking for on our website, don't fret. We stock thousands of products in our warehouses. Contact us today to locate or source your item. Call us (800) 541-3197, Email us Sales@BulkIndustries.com or chat with us.
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Cato 220-RB Pull Station Recessed Protective Cover With Bar
Cato®
$39.95Cato 220-RB Pull Station Recessed Protective Cover With Bar Measurements: Length - 7 1/2"" Width - 8 1/2"" Depth - 2 1/2" Package Includes: Recessed Red Protective Cover Breaker Bar (Attached) Installation Hardware WARNING:This product can...$39.95 -
Edwards EG1F-CVM Chime Strobe, Wall Mount, 24VDC, White
Edwards Signaling
$195.00Edwards EG1F-CVM Chime Strobe, Wall Mount, 24VDC, White WARNING:This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www...$195.00 -
Edwards SIGA-270 Pull Station - Single Action, Coded, Metal, Addressable
Edwards Signaling
$119.95Edwards SIGA-270 Pull Station - Single Action, Coded, Metal, Addressable WARNING:This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information...$119.95 -
Fire Alarm Arrow Angle Sign, 3D, Plastic, 4" x 12"
Generic
$15.95Fire Alarm Arrow Angle Sign, 3D, Plastic, 4" x 12" Plastic signs have a white background with red ink. They come with pinhole slots for easy wall mounting. WARNING:This product can expose you to chemicals, which are known to the State of California...$15.95 -
Fire Alarm Arrow Sign, Vinyl Sticker, Decal 8" x 12"
Generic
$6.95Fire Alarm Arrow Sign, Vinyl Sticker, Decal 8" x 12" Vinyl sticker signs have a white background with red ink. To be mounted on clean, dry and flat surfaces. WARNING:This product can expose you to chemicals, which are known to the State...$6.95 -
Fire Alarm Circuit Breaker Lock and Panel Identification Labels Kit
Generic
$30.95Fire Alarm Circuit Breaker Lock and Panel Identification Labels Kit As required by NFPA 72 2013 10.6.5.2 with labeling and key included Package Includes: Circuit Breaker Lockout Tab Hex Key Panel Identification Stickers Description Lockout Kit...$30.95 -
Fire Alarm Pull Station Inside Sign - Plastic 4" x 4"
Bulk®
$16.95Fire Alarm Pull Station Inside Sign - Rigid Plastic 4" x 4" WARNING:This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go...$16.95 -
Fire Alarm Pull Station Sign, Vinyl Sticker, Decal 4" x 4"
Generic
$4.95Fire Alarm Pull Station Sign, Vinyl Sticker, Decal 4" x 4" Vinyl sticker signs have a white background with red ink. To be mounted on clean, dry and flat surfaces. WARNING:This product can expose you to chemicals, which are known to the...$4.95 -
Fire Sprinkler Alarm Bell Sign, Dial 911, Aluminum, 6" Round
Generic
$8.95Fire Sprinkler Alarm Bell Sign, Dial 911, Aluminum, 6" Round Aluminum signs have a white background with red ink. They meet NFPA Standards. They come with pre drilled holes for easy installation. WARNING:This product can expose you to chemicals,...$8.95 -
Fire Sprinkler and Alarm Bell Guard - Red - Fits 6" 8" 10" Bells
Generic
$19.95Fire Sprinkler and Alarm Bell Guard - Red - Fits 6" 8" 10" Bells Measurements: Outside Diameter: 10" RoundDepth: 4" Guard is installed by removing the middle bolt on the face of the bell, inserting the bold into the hole on the guard reinstalling it into...$19.95 -
Key Replacement 1347 For Silent Knight Fire Alarm Cabinets
Silent Knight
$9.95Key Replacement 1347 For Silent Knight Fire Alarm Cabinets This key is a replacement key for Silent Knight Fire Alarm Cabinet cam locks that utilize 001347-L8 keys. Verify with the numbers stamped on your existing key. Honeywell Silent...$9.95 -
Kidde Edwards 1504-AQN5 Flush Wall Mounted Electromagnetic Door Holder, Long Catch Plate, 24V AC/DC; 120V AC
Kidde Edwards
$129.95Kidde Edwards 1504-AQN5 Flush Wall Mounted Electromagnetic Door Holder, Long Catch Plate, 24V AC/DC; 120V AC The Edwards 1500 Series electromagnetic door holders feature housings finished with durable baked polyester powder paint. The floor or wall...$129.95 -
Kidde K-270A-SPO Single-Action Pull Station 30VAC / 60VDC, Wire Leads, Single-pole, N/O
Kidde
$69.95Kidde K-270A-SPO Single-Action Pull Station 30VAC / 60VDC, Wire Leads, Single-pole, N/O The K-270 Series provides a single action, break glass initiating station. It is available with normally open (NO), normally closed (NC), or combination NO/NC...$69.95 -
Pull Station Glass Replacement Rod, Kidde 270-GLR for 270 Series Pull Stations
Kidde
$6.95Pull Station Glass Replacement Rod, Kidde 270-GLR for 270 Series Pull Stations For us with Kidde pull station model numbers: 270 Sold Individually. WARNING:This product can expose you to chemicals, which are known to the...$6.95 -
Reliable Model C Mechanical Sprinkler Alarm
RASCO/Reliable®
$1,119.95Reliable Model C Mechanical Sprinkler Alarm Manufacturer Part Number : ANSI (US) Version, PN 6302000300 The Reliable Model C Mechanical Alarm, also called a water motor and gong, is the hydro-mechanical alarm of Reliable Wet and Dry Pipe Automatic...$1,119.95 -
On Sale
Slightly Damaged Fire Sprinkler Alarm Bell Sign, Dial 911, Aluminum, 6" Round
Generic
Now: $4.95Was: $8.95Slightly Damaged Fire Sprinkler Alarm Bell Sign, Dial 911, Aluminum, 6" Round **Sign is new and never used but was slightly damaged during production/transit to our warehouse. Sign may have minor dents or scratches on them but are fully functional...Now: $4.95Was: $8.95 -
Sprinkler Fire Alarm When Bell Rings Dial 911 Sign, Plastic, 7" Diameter
Generic
$29.95Sprinkler Fire Alarm When Bell Rings Dial 911 Sign, Plastic, 7" Diameter Sign used for fire sprinkler alarm bells. The sign has a pre-drilled mounting hole for easy installation over an alarm bell. Round sign painted red, and printed with...$29.95 -
System Sensor 546-7000 Cover Tamper Switch Kit For WFD, OSY2, PIBV2
System Sensor
$49.95System Sensor 546-7000 Cover Tamper Switch Kit For WFD, OSY2, PIBV2 This cover tamper switch mounts to all System Sensor WFD, WFDT, OSY2 and PIBV2 terminal block units. Cover removal produces a switch output. The unit will reset when...$49.95 -
System Sensor 546-8000 Cover Tamper Switch Kit For EPS Pressure Switches
System Sensor
$49.95System Sensor 546-8000 Cover Tamper Switch Kit For EPS Pressure Switches This cover tamper switch mounts to all System Sensor EPS terminal block units. Cover removal produces a switch output. The unit will reset when the product cover is...$49.95 -
System Sensor D2 Duct Detector, Conventional, 2 Wire, Photoelectric
System Sensor
$295.00System Sensor BEAM1224S Beam Detector With Test, 4 Wire, Conventional, Single Ended 2-wire photoelectric duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular...$295.00 -
System Sensor EPS10-1 Alarm Pressure Switch 10psi With One SPDT
System Sensor
$149.95System Sensor EPS10-1 Alarm Pressure Switch 10psi With One SPDT System Sensor EPS10 Series switches are designed for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler Alarm pressure switch,...$149.95 -
System Sensor EPS10-2 Alarm Pressure Switch 10psi With Two SPDT
System Sensor
$134.95System Sensor EPS10-2 Alarm Pressure Switch 10psi With Two Sets SPDT System Sensor EPS10 Series switches are designed for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler Alarm pressure switch,...$134.95 -
System Sensor EPS10EXP Explosion Proof Alarm Pressure Switch 10psi With Two SPDT
System Sensor
$1,129.95System Sensor EPS10EXP Explosion Proof Alarm Pressure Switch 10psi With Two SPDT Explosion-proof pressure switch that provides an alarm response between 4 and 20 PSI. Features:• Designed and approved to operate in hazardous locations• Rugged...$1,129.95 -
System Sensor EPS120-1 Alarm Pressure Switch 120psi With One SPDT
System Sensor
$185.95System Sensor EPS120-1 Alarm Pressure Switch 120psi With One SPDT Supervisory pressure switch adjustable response 10 to 200 PSI, for dry pipe fire sprinkler systems or pressure tanks and water pressure supplies of automatic control valves, includes one...$185.95 -
System Sensor EPS120-2 Alarm Pressure Switch 120psi With Two SPDT
System Sensor
$209.95System Sensor EPS120-2 Alarm Pressure Switch 120psi With Two SPDT Supervisory pressure switch adjustable response 10 to 200 PSI, for dry pipe fire sprinkler systems or pressure tanks and water pressure supplies of automatic control valves, includes two...$209.95 -
System Sensor EPS120EXP Explosion Proof Alarm Pressure Switch 120psi With Two SPDT
System Sensor
$1,129.95System Sensor EPS120EXP Explosion Proof Alarm Pressure Switch 120psi With Two SPDT Explosion-proof pressure switch that provides an alarm response between 10 and 200 PSI. Features:• Designed and approved to operate in hazardous locations•...$1,129.95 -
System Sensor EPS40-1 Alarm Pressure Switch 40psi With One SPDT
System Sensor
$175.00System Sensor EPS40-1 Alarm Pressure Switch 40psi With One SPDT Supervisory pressure switch adjustable response 10 to 100 PSI, for dry pipe fire sprinkler systems or pressure tanks and water pressure supplies of automatic control valves, includes one...$175.00 -
System Sensor EPS40-2 Alarm Pressure Switch 40psi With Two SPDT
System Sensor
$195.00System Sensor EPS40-2 Alarm Pressure Switch 40psi With Two SPDT Supervisory pressure switch adjustable response 10 to 100 PSI, for dry pipe fire sprinkler systems or pressure tanks and water pressure supplies of automatic control valves, includes two...$195.00 -
System Sensor EPS40EXP Explosion Proof Alarm Pressure Switch 40psi With Two SPDT
System Sensor
$1,250.00System Sensor EPS40EXP Explosion Proof Alarm Pressure Switch 40psi With Two SPDT Explosion-proof pressure switch that provides an alarm response between 10 and 100 PSI. Features:• Designed and approved to operate in hazardous locations• Rugged...$1,250.00 -
System Sensor FS-RT Replacement Timer Assembly and Switch for WFDN Series Waterflow Detectors
System Sensor
$84.95System Sensor FS-RT Replacement Timer Assembly and Switch for WFDN Series Waterflow Detectors Replacement delay mechanism and switch assembly for WFDN Series waterflow detectors. WFD Flow Switches The waterflow device does not need to be removed from the...$84.95 -
System Sensor HEXW Hex Wrench For Inside OSY2 and PIBV2 Supervisory Switches
System Sensor
$14.95System Sensor HEXW Hex Wrench For Inside OSY2 and PIBV2 Supervisory Switches Hex wrench that fits inside supervisory switches for OS&Y and PIBV2 Model PIBV2 is equipped with a removable 1⁄2˝ NPT pipe nipple which is locked in place with one set...$14.95 -
System Sensor HGRL Compact Wall Horn, Red, Plain No Marking
System Sensor
$59.95System Sensor HGRL L Series Compact Wall Horn, Red, Plain No Marking L-Series, red, compact footprint that fits in a single gang box, horn that is unmarked. System Sensor L-Series audible visible notification products are rich with features guaranteed to...$59.95 -
System Sensor HGWL Compact Wall Horn, White, Plain No Marking
System Sensor
$59.95System Sensor HGWL Compact Wall Horn, White, Plain No Marking L-Series, white, compact footprint that fits in a single gang box, horn that is unmarked. System Sensor L-Series audible visible notification products are rich with features guaranteed to cut...$59.95 -
System Sensor Honeywell WFDTN T-Tap Waterflow Detector
System Sensor
$249.95System Sensor Honeywell WFDTN T-Tap Waterflow Detector WARNING:This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www...$249.95 -
System Sensor HRL L-Series Standard Wall Horn, Red, Plain No Marking
System Sensor
$49.95System Sensor HRL L-Series Standard Wall Horn, Red, Plain No Marking L-Series, red, wall-mountable, 12/24 volt, horn. System Sensor L-Series audible visible notification products are rich with features guaranteed to cut installation times and maximize...$49.95 -
System Sensor HWL L-Series Standard Wall Horn, White, Plain No Marking
System Sensor
$49.95System Sensor HWL L-Series Standard Wall Horn, White, Plain No Marking L-Series, white, wall-mountable, 12/24 volt, horn. System Sensor L-Series audible visible notification products are rich with features guaranteed to cut installation times and...$49.95 -
System Sensor HWL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, No Marking, White
System Sensor
$95.00System Sensor HWL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, No Marking, White The L-Series offers the most versatile and easy-to-use line of low frequency sounder and low frequency sounder strobes in the industry...$95.00 -
System Sensor OSY2 Supervisory Tamper Switch For Outside Screw and Yoke OS&Y Valves
System Sensor
$165.95System Sensor OSY2 Supervisory Tamper Switch For Outside Screw and Yoke OS&Y Valves The OSY2 is used to monitor the open position of an outside screw and yoke (OS&Y) type gate valve. Features:• NEMA 3R-rated enclosure• User-friendly...$165.95 -
System Sensor OSYEXP Explosion Proof Supervisory Tamper Switch For Outside Screw and Yoke (OS&Y) Valves
System Sensor
$995.95System Sensor OSYEXP Explosion Proof Supervisory Tamper Switch For Outside Screw and Yoke (OS&Y) Valves The OSYEXP is an explosion-proof supervisory switch used to monitor the open position of an outside screw and yoke type (OS&Y) gate valve...$995.95 -
System Sensor OSYRK Replacement Hardware Kit for OSY2 Supervisory Switch
System Sensor
$29.95System Sensor OSYRK Replacement Hardware Kit for OSY2 Supervisory Switch Replacement hardware kit for OSY2. Kit Includes: Wrenches Screw pack J-hooks WARNING:This product can expose you to chemicals, which are known to the State of California...$29.95 -
System Sensor P2GRL 2 Wire Compact Wall Horn Strobe, L-Series, Red, Marked Fire
System Sensor
$89.95System Sensor P2GRL 2 Wire Compact Wall Horn Strobe, L-Series, Red, Marked Fire L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single gang box, horn strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95,...$89.95 -
System Sensor PIBV2 Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV
System Sensor
$129.95System Sensor PIBV2 Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV The PIBV2 monitors the open position of post indicator and butterfly control valves. Features:• NEMA 3R rated enclosure• Bi-directional actuator•...$129.95 -
System Sensor PIBVEXP Explosion Proof Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV
System Sensor
$1,029.95System Sensor PIBVEXP Explosion Proof Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV The PIBVEXP is an explosion-proof supervisory switch used to monitor the open position of post indicator and butterfly control valves. These units...$1,029.95 -
System Sensor PSP1 Supervisory Tamper Switch, Plug In Special Purpose
System Sensor
$295.00System Sensor PSP1 Supervisory Tamper Switch, Plug In Special Purpose The PSP1 plug-in switch is designed for applications where no other type of listed valve supervisory switch can be used. Features:• Monitors non-rising stem gate and ball and...$295.00 -
System Sensor SSM24-10 Alarm Electric Bell, 24VDC. 24 Volt, 10" Diameter
System Sensor
$149.95System Sensor SSM24-10 Alarm Electric Bell, 24VDC. 24 Volt, 10" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• DC models polarized...$149.95 -
System Sensor SSM24-6 Alarm Electric Bell, 24VDC. 24 Volt, 6" Diameter
System Sensor
$95.95System Sensor SSM24-6 Alarm Electric Bell, 24VDC. 24 Volt, 6" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• DC models polarized...$95.95 -
System Sensor SSM24-8 Alarm Electric Bell, 24VDC. 24 Volt, 8" Diameter
System Sensor
$115.95System Sensor SSM24-8 Alarm Electric Bell, 24VDC. 24 Volt, 8" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• DC models polarized...$115.95 -
System Sensor SSV120-10 Alarm Electric Bell, 120VAC. 120 Volt, 10" Diameter
System Sensor
$129.95System Sensor SSV120-10 Alarm Electric Bell, 120VAC. 120 Volt, 10" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• AC• Mount...$129.95 -
System Sensor SSV120-6 Alarm Electric Bell, 120VAC. 120 Volt, 6" Diameter
System Sensor
$95.95System Sensor SSV120-6 Alarm Electric Bell, 120VAC. 120 Volt, 6" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• AC• Mount...$95.95 -
System Sensor SSV120-8 Alarm Electric Bell, 120VAC. 120 Volt, 8" Diameter
System Sensor
$115.95System Sensor SSV120-8 Alarm Electric Bell, 120VAC. 120 Volt, 8" Diameter Features:• Approved for indoor and outdoor use• Low current draw• High dB output• Available in six-inch, eight-inch, and ten-inch sizes• AC• Mount...$115.95 -
System Sensor WBB Weatherproof Back Box For Alarm Bell Outdoor Installation
System Sensor
$59.95System Sensor WBB Weatherproof Back Box For Alarm Bell Outdoor Installation The WBB is a weatherproof back box for use with SSM/SSV bells. This accessory is UL listed for use with SSM24 and SSV120 series alarm bells Specifications: Dimensions: ...$59.95 -
System Sensor WFD20EXP 2" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD20EXP 2" Explosion Proof Waterflow Switch The WFD20EXP is a waterflow detector for installation on 2" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM...$2,550.95 -
System Sensor WFD20N 2" Waterflow Switch
System Sensor
$249.95System Sensor WFD20N 2" Waterflow Switch The WFD20N is a waterflow detector for installation on 2" steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD25EXP 2.5" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD25EXP 2.5" Explosion Proof Waterflow Switch The WFD25EXP is a waterflow detector for installation on 2.5" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and...$2,550.95 -
System Sensor WFD25N 2.5" Waterflow Switch
System Sensor
$249.95System Sensor WFD25N 2.5" Waterflow Switch The WFD25N is a waterflow detector for installation on 2.5" steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD30EXP-2 3" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD30EXP-2 3" Explosion Proof Waterflow Switch The WFD30EXP-2 is a waterflow detector for installation on 3" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and...$2,550.95 -
System Sensor WFD30N 3" Waterflow Switch
System Sensor
$249.95System Sensor WFD30N 3" Waterflow Switch The WFD30N is a waterflow detector for installation on 3" steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD40EXP 4" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD40EXP 4" Explosion Proof Waterflow Switch The WFD40EXP is a waterflow detector for installation on 4" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM...$2,550.95 -
System Sensor WFD40N 4" Waterflow Switch
System Sensor
$249.95System Sensor WFD40N 4" Waterflow Switch The WFD40N is a waterflow detector for installation on 4" steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD50EXP 5" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD50EXP 5" Explosion Proof Waterflow Switch The WFD50EXP is a waterflow detector for installation on 5" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM...$2,550.95 -
System Sensor WFD50N 5" Waterflow Switch
System Sensor
$249.95System Sensor WFD50N 5" Waterflow Switch The WFD50N is a waterflow detector for installation on 5" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD60EXP 6" Explosion Proof Waterflow Switch
System Sensor
$2,550.95System Sensor WFD60EXP 6" Explosion Proof Waterflow Switch The WFD60EXP is a waterflow detector for installation on 6" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM...$2,550.95 -
System Sensor WFD60N 6" Waterflow Switch
System Sensor
$249.95System Sensor WFD60N 6" Waterflow Switch The WFD60N is a waterflow detector for installation on 6" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. Can be mounted in a vertical or horizontal...$249.95 -
System Sensor WFD80EXP 8" Explosion Proof Waterflow Switch
System Sensor
$2,650.95System Sensor WFD80EXP 8" Explosion Proof Waterflow Switch The WFD80EXP is a waterflow detector for installation on 8" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM...$2,650.95 -
System Sensor WFD80N 8" Waterflow Switch
System Sensor
$285.00System Sensor WFD80N 8" Waterflow Switch The WFD80N is a waterflow detector for installation on 8" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. Can be mounted in a vertical or horizontal...$285.00 -
System Sensor WFDW Cover Tamper Screws Wrench For WFD, EPS, OSY2, PIBV2, and PSP1
System Sensor
$18.95System Sensor WFDW Cover Tamper Screws Wrench For WFD, EPS, OSY2, PIBV2, and PSP1 Wrench is used for tamperproof screws on covers for: WFD Flow Switches EPS Pressure Switches OSY2 Supervisory Tamper Switch PIBV2 Supervisory Tamper Switch PSP1 Supervisory...$18.95