Nereus Alarms specialise in a variety of detectors and alarms for marine safety. Products are suitable for yachts, RIBs, motorboats, narrowboats, super yachts and are supplied to many sectors of the market including boats owners, surveyors, marine gas installers and charterers. You can also buy online gas alarms and gas detectors for motor homes (motorhomes), recreational vehicles (RVs), caravans, trucks, lorries and vans. We provide gas alarms and gas detectors for LPG, LP gas, butane, propane, Calor gas, hydrocarbon gas, petrol vapour, petrol vapor, carbon monoxide (CO), ether, narcotic gas, knockout gas, and sleeping gas. Gas control systems are also available for manual switching of gas supply (on/off) with gas solenoid valve with automatic shut down in the even of a leak or power failure. Gas detectors for boats have become increasingly important for the MCA code, inland waterways code, small vessel code, harmonised small vessel code (MGN 280) and may need to be EN 28846 or ISO 8846 compliant. Our gas alarm systems for boats feature a unique waterproof gas sensor with verified ingress protection (IP) rating. Bespoke systems are also available such as systems incorporating solenoid gas valve switching, bilge alarms or smoke alarms. WetGas