Soosan Hometech
FB-370 Front View
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FB-370 Front View
FB-370 Side Angle
FB-370R Front View
Residential / Commercial
Waterproof Type

FB-370

Waterproof LPG/LNG Gas Leak Detector

Advanced waterproof gas leak detector for residential and commercial use. Features enhanced circuit design for faster response with AC-direct power - no transformer required.

Buzzer 70dB+ Alarm
AC 220V Direct
-20°C to 40°C
Waterproof Housing
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Quality assured
OEM available
DETAILED SPECS

Technical Specifications

Target Gas
LNG, LPG
Power Source
AC 220V ±10%
Consumption
1.8W (Normal) / 3W (Alarm)
Output Voltage
2V (Normal) / 7V (Alarm)
Detection Concentration
Below 1/4 of LEL
Aging Time
1 min after power applied
Alarm Method
Buzzer (+70dB), Yellow LED flash (Auto-reset)
Operating Temp / Humidity
-20°C ~ 40°C / 20% ~ 85% RH
Dimensions (mm)
82(W) × 112(H) × 44(D)
Weight
240g (Flame-retarding material)
Options
Adjustable Output Voltage / Adjustable Power Cord Length
Certifications
KGS, KC, KFI
PRODUCT ADVANTAGES

Why Choose FB-370

Waterproof Design

Sealed waterproof housing protects internal components from moisture, steam, and splashes in kitchen environments.

AC Direct Power

Connects directly to AC 220V mains - no separate transformer or adapter required, simplifying installation.

Auto-Reset Alarm

Yellow LED flash with 70dB+ buzzer alarm that automatically resets when gas concentration drops to safe level.

Enhanced Sensitivity

Improved circuit design over the FB-365 for faster response and greater detection accuracy in demanding environments.

MODEL VARIANTS

FB-370 vs FB-370R

Same waterproof detector body - choose the version that matches your system requirements.

FB-370
FB-370
Standalone Detector
  • Buzzer + Yellow LED alarm
  • AC 220V direct connection
  • Auto-reset after gas clears
  • Waterproof sealed housing
  • No relay output
Best for: standalone alarm installation
FB-370R
FB-370R
System Integration Model
  • All FB-370 features included
  • Relay contact output added
  • Connects to FC-531R controller
  • Triggers GD-series shutoff valve
  • Required for complete safety system
Best for: integrated controller + valve systems
SYSTEM INTEGRATION

Build a Complete Gas Safety System

FB-370R works seamlessly with these Soosan Hometech components

STEP 1 · DETECT
FB-370
FB-370R
Waterproof Gas Detector
Use FB-370R for relay output
STEP 2 · CONTROL
FC-531R
FC-531R
Gas Detection Controller
STEP 3 · SHUTOFF
GD Valve
GD-703 / 704 / 705
Automatic Shutoff Valve

Easy Installation

Four simple steps to protect your space

1

Choose Location

Mount 1-2m from gas source. For LNG: near ceiling. For LPG: near floor (30cm height). Avoid direct sunlight.

2

Mount on Wall

Drill mounting holes and secure the detector bracket. Waterproof housing is suitable for kitchen wall environments.

3

Connect AC Power

Connect directly to AC 220V mains outlet or wired connection. No transformer required - simplifying installation.

4

Test Functionality

Power on and wait 1 minute warm-up. Test alarm using calibration gas. Yellow LED and buzzer confirm correct operation.

COMPLIANCE

Certified for Safety

KGS certification
Korea Gas Safety
Korea Gas Safety Corporation - mandatory Korean market certification
KC certification
Korea Certification
Unified Korean electrical and safety certification mark
KFI certification
Korea Fire Institute
Fire safety testing and certification by Korea Fire Institute

FB-370 FAQ

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