Page 18 - Ei Electronics Product Selector Guide 2025

Carbon Monoxide Safety
Carbon Monoxide (CO) is released as a by-product of a combustion process
in the following appliance types:
Gas
Appliances
Blocked or
Cracked
Chimneys
Portable Gas
or Paraffin
Heaters
Gas/
Solid Fuel
Fire Places
Oil /Solid
Fuel Stoves
Oil/Gas
Boilers or
Furnaces
Portable Gas Blocked or
Gas/
Oil/Gas
Signs of potential CO problems:
Build-up of soot or discolouring around the appliance
Excessive condensation on walls and windows
High incidences of poor health in the home
0.01 100 Slight headache after 2 to 3 hours Within
Within
Within
Within
Within
Within
13 90
minutes
0.02 200 Mild headache, dizziness, nausea and tiredness
after 2-3 hours 20-30 40
minutes
0.04 400 Frontal headache and nausea after 1 to 2 hours.
Life threatening after 3 hours 36 3
minutes
0.08 800
Severe headache, dizziness, convulsions within
45 mins. Unconsciousness and death possible
within 2 - 3 hours
50 3
minutes
0.16 1600
Headaches, dizziness, nausea within 20 minutes.
Collapse, unconsciousness and death possible
within 1 to 2 hours
68 3
minutes
0.32 3200 Headaches, dizziness and nausea within 5 to10
minutes. Death within 25-30 minutes 70-75 3
minutes
"The Silent Killer"
You can’t see it,
smell it
or taste it
%
r e
P
s
t
r a
P
% Saturation A CO Alarm
will alert
you to a
problem
CO Million Effects on an Adult Human Body of COHB
(ppm) in the
m a e
r
t s d o o
l B
O
C
18 Carbon Monoxide Safety