Product Description

Replacement 321 SL Steam Cylinder for Nortec steam style humidifier. Made for models rated at 12 to 29 pounds of steam per hour. Operates on 208 volt 1 phase. 020 lbs/hr 208 - 277 V 1 ph. The SL style cylinder is the same as the cylinder without the SL extension but it has a slotted strainer inside the cylinder at the drain outlet to protect the drain valve from plugging up with chunks of calcium. This cylinder is for very hard water.