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The U.S. selectronix step controller

Multi-stage step step program controller is controlled by the first on first off, first off first on principle, the load increases, the first off the heating tube is first opened; reduce the load, the first to open the electric tube first turn to this balanced work of the heating pipe, long-term trouble-free operation in order to facilitate boiler.

Enamel container boiler

America Watlow electric heating tube

Honeywell temperature controller

The U.S. selectronix step controller

 

 

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