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Grässlin Controls, now part of Intermatic, offers the TimeMaster, LightMaster and FrostKing brands of products for lighting controls, pool and spa controls, in wall timers, and refrigeration controls. Grässlin time switches are designed to meet today’s energy conservation initiatives and tomorrow’s environmental demands.


INNOVATION in applying new technology in small packages. Innovation in simplifying the setting and programming of time controls. Innovation in flexibility of mounting and use. Innovation is the key to providing superior electromechanical and electronic time controls to meet the application needs of contractors, as well as industrial, commercial, institutional, residential, and agricultural users.


ENERGY SAVINGS is one of the major benefits Grasslin Time Controls offer. From extremely compact electromechanical 24-hour and 7-day time switches to innovative 365-day multi-channel programmable controls, Grasslin products meet the need for control of heating, cooling, and refrigeration systems; interior, outdoor or display lighting; machinery and appliances, and many other applications.


MODERN DESIGN is exemplified by the compact size of Grasslin Time Controls. Look at the clean simple lines. Look at the easy-to-read dials. Look at the functional appearance. Look at the simplified programming. Over the last ten years, Grasslin has set the standard in design, quality and performance.


USER FRIENDLY is not just a buzzword at Grasslin. From the flexibility of mounting and ease of wiring to the minimal single function programming keys on electronic units, at Grasslin the installing contractor is our #1 concern.


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Grasslin Full Line Product Catalog 2.94 MB Download