CALL OUR TEAM NOW 0800 612 6537 Lines open today 8:30am - 12:30pm

Nereus LPG and Carbon Monoxide Gas Boat Alarms

5 out of 5 stars
Choose a product To see stock availability
From: £312.95 inc VAT
£260.79 ex VAT
Product Overview

The Nereus gas alarms range are designed for boats, such as yachts and narrow boats, but can also be installed wherever waterproof sensors and a remote warning are required. The waterproof LPG (butane/propane) and CO (carbon monoxide) detectors give you sufficient warning should there be a gas leak or carbon monoxide present (different sensors) by sounding a buzzer and shining a red light on the control unit. Select a control unit with different quantities and types of sensors. The sensors can be fitted either flush or surface mounted and should ideally be located 300mm up from the floor. The sensors are interlinked by cable with the central monitoring unit.

  • Power: hardwire 12/24V DC
  • Sensors available for LPG (butane/propane) and CO (carbon monoxide) detection
  • Unique waterproof sensor – The sensors are able to survive being completely immersed allowing them to be mounted low in the bilge
  • Sensors comply to:
    • IP55 – Dust and Water Jetting
    • IP57 – Dust and Immersion
  • Easy to install
  • Sensor cable length 6m
  • LED power and alarm status indicators
  • Internal alarm and output to drive additional remote alarms
  • Relay output can connect to gas shut off or control systems
Benefits

Detect Gas in the Bilge

LPG (butane/propane) is used extensively on boats to provide fuel for cooking and heating. Being heavier than air, any leak of gas will sink and can collect in the boat from the bilge upwards. A naked flame or a spark from an engine or switch is all that is required to cause an explosion.

Carbon Monoxide (CO) is the poisonous gas formed when fuels such as LPG, petrol, or charcoal are burnt. A faulty appliance or adverse weather conditions can quickly result in a dangerous build-up. Carbon monoxide has no smell or taste and is invisible to the naked eye, therefore an electronic sensor is the only reliable way to warn or this potentially fatal gas build up.

The Usual Problem – Water Damaged Sensors

The problem is where to site the sensors. A sensor mounted anywhere in the bilge is prone to water damage. This is especially the case, when mounted low in the bilge, ie where it needs to be fitted. Once wet, traditional sensors are permanently damaged and can give a continuous false alarms. This leaves the crew unsure how to act, not knowing, whether the alarm is due to a gas leak or damaged sensor. Apart from the inconvenience, this results in expensive repair and a period without protection.

The Solution – Unique Waterproof Sensor

Nereus LPG and CO sensors are able to survive being completely immersed, allowing them to be mounted low in the bilge without the risk of water damage.

Options

Nereus Alarm Specification

Alarm Sensitivity LPG: ~10% LEL (lower explosive limit)
Carbon Monoxide: 50ppm / 100ppm / 300ppm
Operating Voltage 12V / 24V DC (10V to 32V DC)
Temperature Range -10°C to +40°C
Alarm Relay NO or NC, non-latching, 24V 1A contact rating
Dimensions (HxWxD) Control unit: 96 x 59 x 26mm
Sensors: 35 x 35 x 26mm

Nereus Alarm Variations

Model Sensor 1 Sensor 2 Sensor 3
WG100-L LPG
WG200-LL LPG LPG
WG200-LC LPG CO
WG300-LLL LPG LPG LPG
WG300-LLC LPG LPG CO
Technical Data
Product Code

with 1x LPG Gas Sensor WG100-L:  NAWG100-L

with 2x LPG Gas Sensors WG200-LL:  NAWG200-LL

with 1x LPG and 1x CO Sensors WG200-LC:  NAWG200-LC

with 3x LPG Gas Sensors WG300-LLL:  NAWG300-LLL

with 2x LPG and 1x CO Gas Sensors WG300-LLC:  NAWG300-LLC

Brand Nereus alarms
Alarm Relay

NO or NC, non-latching, 24V 1A contact rating

Alarm Thresholds

LPG: ~10% LEL (lower explosive limit)

CO: 50ppm / 100ppm / 300ppm

Dimensions (HxWxD)

Control Unit: 96 x 59 x 26mm

Sensor: 35 x 35 x 26mm

Operating Voltage

12V / 24V DC (10V to 32V DC)

Temperature Range

-10°C to +40°C

Weight

NAWG100-L: 0.6kg

NAWG200-LL: 0.62kg

NAWG200-LC: 0.62kg

NAWG300-LLL: 0.65kg

NAWG300-LLC: 0.65kg

Product Datasheets

Pricing & Availability

Model Stock Price
with 1x LPG Gas Sensor WG100-L
Product Code: NAWG100-L
Stock Level:
3 in stock Expected dispatch: 20th May
Price:

£312.95 inc VAT

£260.79 ex VAT

with 2x LPG Gas Sensors WG200-LL
Product Code: NAWG200-LL
Stock Level:
Available for pre-order Expected dispatch: 23rd May
Price:

£396.95 inc VAT

£330.79 ex VAT

with 1x LPG and 1x CO Sensors WG200-LC
Product Code: NAWG200-LC
Stock Level:
2 in stock Expected dispatch: 20th May
Price:

£396.95 inc VAT

£330.79 ex VAT

with 2x LPG and 1x CO Gas Sensors WG300-LLC
Product Code: NAWG300-LLC
Stock Level:
Available for pre-order Expected dispatch: 23rd May
Price:

£503.75 inc VAT

£419.79 ex VAT

with 3x LPG Gas Sensors WG300-LLL
Product Code: NAWG300-LLL
Stock Level:
Available for pre-order Expected dispatch: 23rd May
Price:

£506.75 inc VAT

£422.29 ex VAT

Delivery Options

The following delivery options are available on this product.

Next Working Day Delivery

£6.19 inc VAT - Orders will be delivered the next working day with Evri

For dispatch today order within

Customer Reviews

1 customer has given this product an overall rating of 5 out of 5

Reviews by real customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5 Stars

Reviewed by: J H

Best price around Quick delivery and easy to fit.

Published on: 1st October 2022

Looking for more information?

If you have any questions or would like more information about this product you can ask one of our specialists.

Live Chat Available Now
Direct Telephone 01507 464181

Settings

Colour Scheme

Light
Dark

Pricing Display

Inc VAT
Ex VAT

Cookies

By continuing to browse this site you agree to the use of cookies.