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Posted by Doug Criner on October 15, 2008 at 16:03:21:
In Reply to: Honeywell Aquastat posted by J hobday on October 10, 2008 at 05:19:42:
The "B" model has a concealed adjustment: http://www.havelockcontrols.co.uk/sitedocs/53210050.pdf
A cover or something must pry off to gain access to the adjustment?
Doug