The Krueger 16N430 is a magnetic level gauge designed for use with steam boilers, hot water heating systems, and other pressurized vessels to indicate liquid level. This level gauge has a 316 stainless steel chamber with mica viewing windows and bronze body. It can withstand temperatures up to 750°F and pressures up to 500 psi. The magnetic level indicator provides a direct reading of liquid level through a glass tube against a background of contrasting color. This allows the actual liquid level to be observed instantly at all times. The Krueger 16N430 level gauge offers durability, safety, and easy maintenance.