![](http://www.alamy.com/thumbs/6/1F8D1F1A-C6D4-4559-97EF-0824C8EB03F9/2J2G80F.jpg)
Close up of a combi boiler vent guard on outside wall with steam emerging
Size: 7895px × 5261px
Photo credit: © NJphoto / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: air, black, boiler, bolier, cage, combi, condenser, cowling, emmisions, equipment, grid, guard, heat, hot, mounted, outdoors, protection, safety, steam, vapour, vent, wall