• System Sensor HWL-LF 2-wire low frequency sounder for fire alarms, showing the fire alarm sounder device with wiring and label.
  • System Sensor HWL-LF 2-wire low frequency sounder for fire alarms, featuring selectable output and visible wiring connections.
  • System Sensor HWL-LF 2-wire fire alarm sounder with selectable low frequency output, mounted on a wall for emergency signaling.
1 3

System Sensor

System Sensor HWL-LF L-Series Wall Horn White Low-Freq

$57.50
$57.50 $95.91
Shipping calculated at checkout.

Free 30-Day Returns

50+ In Stock - Fast Shipping

System Sensor HWL-LF L-Series wall horn (white, low-frequency 520 Hz). System Sensor (Honeywell brand) commercial fire-alarm device — compatible with Notifier, Gamewell-FCI, Silent Knight, and Fire-Lite control panels per device family.

Payment method

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Free delivery on orders over $100 to US Continental

Free 30-day returns

 View full details