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These requirements cover limit controls, furnace fan controls, and other interlocks which are essentially switches responding to changes in liquid level, pressure,or temperature. Although not limited to such specific applications, these safety controls include those intended primarily to safeguard heating appliances, heatingsystems, processing systems, and air-conditioning and ventilating systems.

Product Details

Edition:
5th
Published:
11/23/1994
Number of Pages:
116
Posted in UL