First Co CDXQ Uncased with pump (HW) User Manual | Page 5 / 5 | Also for: CDXQ-C Cased with pump (HW), CDXQ-HO (-C) With Pump water heating, CDXQX Cased or uncased with pump ECM motor, CDXX-HW Cased or uncased ECM motor, CDX-HW-C Cased with hot water coil, CDX-HW - Uncased with hot water coil, CDX-HW-HO (-C) Water heating only