Gas Leak Detection

Keep commercial kitchens, boiler rooms and plant rooms safe and compliant with our range of gas detection, leak detection and interlock systems. From individual gas sensors to complete interlock panels and plant room packages, these systems monitor for gas leaks, trigger alarms, and can automatically shut off the gas supply to protect people and premises.

16 products

  • Mini Merlin TFT Monitor

    Mini Merlin TFT Monitor

    £478.80 (inc-VAT)
    £399.00 (ex-VAT)
    £478.80 (inc-VAT)
    £399.00 (ex-VAT)     (inc-VAT)
  • Merlin 2000X Gas Interlock Panel

    Merlin 2000X Gas Interlock Panel

    £2,048.40 (inc-VAT)
    £1,707.00 (ex-VAT)
    £2,048.40 (inc-VAT)
    £1,707.00 (ex-VAT)     (inc-VAT)
  • Merlin 2000S Gas Interlock Panel

    Merlin 2000S Gas Interlock Panel

    £1,431.60 (inc-VAT)
    £1,193.00 (ex-VAT)
    £1,431.60 (inc-VAT)
    £1,193.00 (ex-VAT)     (inc-VAT)
  • Calibration

    Calibration

    £336.00 (inc-VAT)
    £280.00 (ex-VAT)
    £336.00 (inc-VAT)
    £280.00 (ex-VAT)     (inc-VAT)

    Flamefast offer calibration gas and calibration kits to complement their range of gas sensors and detectors. These can be used to prove correct operation of sensors...
  • 24VDC Power Supply (Boxed) - 2A

    24VDC Power Supply (Boxed) - 2A

    £168.00 (inc-VAT)
    £140.00 (ex-VAT)
    £168.00 (inc-VAT)
    £140.00 (ex-VAT)     (inc-VAT)

    External power supply for use when the number of sensors and remote displays exceeds the current demand available directly from the Flamefast BoilerGuard or GasMonitor panel.Key...
  • Duct Flamefast Gas Sensor

    Duct Flamefast Gas Sensor

    £302.40 (inc-VAT)
    £252.00 (ex-VAT)
    £302.40 (inc-VAT)
    £252.00 (ex-VAT)     (inc-VAT)

    The Flamefast duct mounted gas sensor provides a versatile solution with analogue and relay outputs plus BACnet MS/TP interface, enabling direct connection to third party controllers....
  • Universal Refrigerant Sensor

    Universal Refrigerant Sensor

    £1,008.00 (inc-VAT)
    £840.00 (ex-VAT)
    £1,008.00 (inc-VAT)
    £840.00 (ex-VAT)     (inc-VAT)

    The Flamefast refrigerant sensor allows accurate monitoring of a wide range of refrigerant gases from a single unit using stable infrared technology and temperature compensation. Calibration...
  • Duct Universal Refrigerant Sensor

    Duct Universal Refrigerant Sensor

    £1,108.80 (inc-VAT)
    £924.00 (ex-VAT)
    £1,108.80 (inc-VAT)
    £924.00 (ex-VAT)     (inc-VAT)

    The Flamefast duct refrigerant sensor allows monitoring of a wide range of refrigerant gases from a single unit using stable infrared technology with temperature compensation. Calibration...
  • Traffic Light Alarm - Audible & Visual (24V)

    Traffic Light Alarm - Audible & Visual (24V)

    £201.60 (inc-VAT)
    £168.00 (ex-VAT)
    £201.60 (inc-VAT)
    £168.00 (ex-VAT)     (inc-VAT)

    Compact audio visual alarm indicator for use with Flamefast BoilerGuard or GasMonitor panels to provide traffic light alarm indication based on gas sensor alarm conditions. Provides...
  • Remote Emergency Stop Button

    Remote Emergency Stop Button

    £8.40 (inc-VAT)
    £7.00 (ex-VAT)
    £8.40 (inc-VAT)
    £7.00 (ex-VAT)     (inc-VAT)

    Remote emergency stop buttons can be interfaced with GasGuard systems where there is more than one emergency exit from an area. Options include standard twist release...
  • Resettable Thermal Fusible Link (70°C)

    Resettable Thermal Fusible Link (70°C)

    £33.60 (inc-VAT)
    £28.00 (ex-VAT)
    £33.60 (inc-VAT)
    £28.00 (ex-VAT)     (inc-VAT)

    The Flamefast auto-reset thermal fusible link is installed directly above boiler plant to detect excessive heat. When interfaced with a Flamefast BoilerGuard (or third party safety...
  • Flamefast Gas Sensor

    Flamefast Gas Sensor

    £201.60 (inc-VAT)
    £168.00 (ex-VAT)
    £201.60 (inc-VAT)
    £168.00 (ex-VAT)     (inc-VAT)

    The Flamefast Gas Sensor is one of the most versatile gas sensors available on the market. With an analogue and relay output, as well as a...
  • GasMonitor Panel (16 Channel)

    GasMonitor Panel (16 Channel)

    £470.40 (inc-VAT)
    £392.00 (ex-VAT)
    £470.40 (inc-VAT)
    £392.00 (ex-VAT)     (inc-VAT)

    The GasMonitor is a low cost high specification 16 channel gas detection panel designed for use with the Flamefast Gas sensor range. Any combination of sensors...
  • BoilerGuard

    BoilerGuard

    £537.60 (inc-VAT)
    £448.00 (ex-VAT)
    £537.60 (inc-VAT)
    £448.00 (ex-VAT)     (inc-VAT)

    The BoilerGuard is a low cost complete plant room safety system providing a central interface for common safety systems such as fire alarms, thermal links and...
  • Typical Plant Room Package (Large)

    Typical Plant Room Package (Large)

    £1,478.40 (inc-VAT)
    £1,232.00 (ex-VAT)
    £1,478.40 (inc-VAT)
    £1,232.00 (ex-VAT)     (inc-VAT)

    This package provides everything needed for compliance in a typical larger Plant Room installation, where Gas Pressure Proving is not required, allowing for two Natural Gas...
  • Typical Plant Room Package (Small)

    Typical Plant Room Package (Small)

    £1,008.00 (inc-VAT)
    £840.00 (ex-VAT)
    £1,008.00 (inc-VAT)
    £840.00 (ex-VAT)     (inc-VAT)

    This package provides everything needed for compliance in a typical smaller Plant Room installation, where Gas Pressure Proving is not required, allowing for one Natural Gas...

The collection brings together two trusted names: Flamefast gas detection — sensors, the BoilerGuard and 16-channel GasMonitor panels, refrigerant sensors, alarms and plant room packages — and SNS Northern's Merlin gas interlock panels, the Merlin 2000S, 2000X and Mini Merlin, designed to keep commercial catering and gas appliances safe and compliant.

What you'll find across the range:

  • Gas interlock panels for commercial kitchens — Merlin 2000S, 2000X and Mini Merlin
  • Gas detection panels and sensors — BoilerGuard, GasMonitor and Flamefast gas sensors
  • Natural gas and refrigerant sensors, including duct-mounted units
  • Audible and visual alarms, emergency stops and thermal fusible links
  • Complete plant room safety packages, plus calibration gas and kits

All products are genuine items sourced through reputable channels and supplied to manufacturer specification.