Pressure Switch Air 1.012849

Alpha Pressure Switch 1.012849

For use with the following Alpha boilers:

Alpha CB50
fits Alpha HE 25
and Alpha HE 25 LPG
with Alpha HE 33
plus Alpha HE 33 LPG
fits Alpha HE CB 25
and Alpha HE CB 33
with Alpha HE SY25

The air pressure switch is a safety device which checks the fan is fully operational. It ensures that, if the fan fails within the boiler, there is no build up of toxic fumes with no means of removing them safely.