We stock every part for the Nortec NCH Series Steam humidifier ever made including the NHMC005, NHMC010, NCH020, NCH030, NCH050, NCH075, NCH100, NCH150 and NCH200. Our technical support team can assist you should you have any questions about your Nortec NHMC Steam humidifier. Remember to replace your Nortec Steam tank at least once per year for optimal operation. Most Nortec Steam humidifiers will bring up a warning sign when the steam tank fails. Unfortunately you must view the unit periodically to know when it is time. We recommend you replace the steam tank at least once per year for residential applications and more often for commercial and industrial humidification needs.