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There are 7 products.

Series 1900 Compact Low Differential Pressure Switches

With a range of features, capacities, and abilities, the series 1900 compact low differential pressure switches combine precision construction and advanced technological design. Produced by the leading manufacturer with the finest raw materials, the switches have easily adjustable set points, tamper prevention, and special design for air conditioning. View the complete list of products below to find the one for you, and if you have any questions concerning any of our items, please contact us at or chat with us live.