6 About the ComfortAir+1.2 SpecificationsRefer to the following table for product specifications.Items SpecificationsModel name KDO-A100Device type Add-on controller for Navien NPE-180A/240A waterheatersInstallation type Snap-on(onto the NPE-180A/240A water heater PCB tray)ConnectionsMain connector socket to water heaterMain control connector (13-pin cable)Thermostat input terminalsContacts for one thermostat (1 or 2-stage)Outdoor sensor connection terminalContacts for one outdoor sensorOutput terminal to the air handler unitContacts for one AHU (1 or 2-stage)1.3 CSA P.9 –11 RatingCombo System CSHE WHPF Recovery Efficiency TPFHeat Generator Fan CoilNPE-180A MMVE0S4NAAA 94 (%) 0.96 97 (%) 0.94NPE-240A MMVE0M4NAAA 95 (%) 0.95 96 (%) 0.95