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AB Controls stocks thousands of hard to find perfect condition parts for your Robertshaw, Invensys, Siebe and Barber Colman systems. Email us for YOUR part!


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Type a word or two describing the part you need. An explanation of the query language is included below, along with examples, for your convenience. Happy shopping!

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Query Language

The text search engine allows queries to be formed from arbitrary Boolean expressions containing the keywords AND, OR, and NOT, and grouped with parentheses. For example:

Siebe Controller  finds documents containing 'Siebe' or 'Controller'

Siebe or Controller  finds same as above.

Siebe and Controller  finds documents containing both 'Siebe' and 'Controller'

Siebe not Controller  finds documents containing 'Siebe' but not 'Controller'

(Siebe not Controller) and DMS: finds documents containing 'DMS', plus 'Siebe' but not 'Controller'

Robertshaw*  finds documents containing words starting with 'Robertshaw'

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Revised: 01/24/04.