Carbon Monoxide Alarm Going Off
The CO alarm has sounded, whether or not anyone feels unwell..
The CO alarm has sounded, whether or not anyone feels unwell.
What is actually going on
The CO alarm has sounded, whether or not anyone feels unwell.
The realistic causes, in order
Incomplete combustion at a gas appliance, which needs measuring rather than guessing A flue or ventilation fault allowing products of combustion back into the room An alarm at end of life or reacting to another source, which still needs proving before it's dismissed
What we test on site
Combustion analysis on every gas appliance in the property Flue integrity and ventilation provision against current standards Appliance safety classification, with the appliance turned off and labelled if it is unsafe
Before we arrive: a carbon monoxide alarm sounding safety steps
- Open windows and doors, turn off gas appliances and leave the property
- Call the National Gas Emergency Service on 0800 111 999
- Carbon monoxide is colourless and odourless. If an alarm sounds, treat it as real every time: ventilate, evacuate, call 0800 111 999, and seek medical advice if anyone has headaches, nausea or drowsiness.
Who does the work
- Gas Safe registered engineers — registration 554328
- Worcester Bosch accredited installer
- John The Plumb Ltd, company registration 10026483
Get a carbon monoxide alarm sounding diagnosed properly
Any appliance found unsafe is turned off and labelled under the Gas Industry Unsafe Situations Procedure before any repair is discussed.
Questions we get asked
What causes a carbon monoxide alarm sounding on a gas boiler?
Incomplete combustion at a gas appliance, which needs measuring rather than guessing
What normally puts a carbon monoxide alarm sounding right?
Any appliance found unsafe is turned off and labelled under the Gas Industry Unsafe Situations Procedure before any repair is discussed.
Is it safe to keep using the system with a carbon monoxide alarm sounding?
Carbon monoxide is colourless and odourless. If an alarm sounds, treat it as real every time: ventilate, evacuate, call 0800 111 999, and seek medical advice if anyone has headaches, nausea or drowsiness.