![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/AirConAC.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Air Conditioning plant
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
Note: Air condition plant remains as a PUWER item unless it contains a vapour compression refrigeration system where the installed power exceeds 25 kW.
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/new-images/AdobeStock_321554604.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/gasbottlesac.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Gas containers
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR Footnote [1]
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/heatingsystemboilerac.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/new-images/AdobeStock_104395609.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Horizontal air receiver
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR Footnote [1]
Note: It is the receiver that dictates the status of PSSR. Not the compressor itself.
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/new-images/AdobeStock_205497205.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Hot water and system boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PUWER
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/heating-system-boiler.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Instant hot water boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PUWER
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/trainac.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/tubularboiler.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Multi-tubular boiler
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR Footnote [1]
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/verticleairrec.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Vertical air receiver
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR 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.
![](http://static.aviva.io/content/dam/microsites/risksolutions/en/images/engineering-inspections/watertubeboiler.$16x9-mobile-4cols$.jpg?$16x9-mobile-4cols$)
Water tube boilers
Inspection Frequency:
As per WSE or Risk assessment
Related Regulation:
PSSR 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.