PDF Standards UL 353

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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

Note:

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