
Air Conditioning plant
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1, PUWER [2]Footnote 2
Note: Air condition plant remains as a PUWER item unless it contains a vapour compression refrigeration system where the installed power exceeds 25 kW.

Cafe boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1

Gas containers
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1

Heating system boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PUWER [2]Footnote 2

Horizontal air receiver
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1
Note: It is the receiver that dictates the status of PSSR. Not the compressor itself.

Hot water and system boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PUWER [2]Footnote 2

Instant hot water boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PUWER [2]Footnote 2

Loco boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1

Multi-tubular boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1

Vertical air receiver
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1
Note: Here there are several compressors all feeding the one air receiver. The "system" would all be incorporated within the required written scheme of examination.

Water tube boilers
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR [1]Footnote 1
Explore other Equipment
LOLER 1998
(Lifting equipment)
Power Press
(PUWER Part iv)
* Contains public sector information published by the Health and Safety Executive and licensed under the Open Government Licence.