![](http://www.alamy.com/thumbs/6/B1158642-A02C-45BD-AB8E-BACDA1B6CA15/2K26P9B.jpg)
Close-up view of the bright blue display to regulate the water degrees of a wall-mounted gas boiler
Size: 3797px × 2441px
Photo credit: © ADM Photo / Alamy / Afripics
License: Royalty Free
Model Released: No
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