800-876-0036
847-356-0566 Tel
847-356-0747 Fax sales@mmcontrol.com
Since the company was founded in 1931, customers have come to recognize
Dwyer Instruments to stand for quality, reliability, and readily available
low cost products. As a leading manufacturer in the controls and
instrumentation industry, we continue to grow and serve major markets
including, but not limited to HVAC, chemical, food, oil and gas, and
pollution control. New applications are discovered daily through a
cooperative effort between Dwyer and its customers. It has been these
relationships with our customers that allow us to continue to develop market
demand products and further our success from leading established brand names
such as the Magnehelic® pressure gages, Photohelic®
switch/gages, Rate Master® flowmeters, and Hi-Flow®
valves. In addition to new product development
