** COIL NOTE: If coil was in a POTABLE WATER system and failed (excessive velocity or erosion), the use of a FLOW CONTROL DEVICE could help extend coil life by reducing flow to recommended GPM. Refer to product spec at www.firstco.com to check flow.

19CDX-HW R410 TXV FR

25CDX-HW R410 TXV FR

9-320-73-2 - HW Coil - 18HBC-HW or 18CDX-HW replacement hot water heating coil only

9-320-73-3 - HW Coil - 24HBC-HW or 24CDX-HW replacement hot water heating coil only