Firstco 9-321-55-1 Vertical Hot Water Coil 4-Row 18" x 18"

The Firstco 9-321-55-1 is a vertical hot water (hydronic) coil designed as a direct OEM replacement for First Co. fan coil units. Featuring a 4-row coil configuration with dimensions of 18 inches high by 18 inches long, this coil is engineered for use in vertical fan coil applications such as the First Co. 25UC-HW unit series.

Key Features:

• 4-Row Coil Construction for enhanced heating capacity and heat transfer efficiency
• 18" High x 18" Long coil face dimensions for precise OEM fitment
• Vertical orientation design for compatibility with upflow fan coil unit configurations
• Hot water (hydronic) coil application — designed for use with hot water heating systems
• Direct OEM replacement part — manufactured to First Co. original specifications
• Compatible with First Co. 25UC-HW fan coil unit series

First Co. has been a trusted name in the multi-occupant HVAC industry since 1966, manufacturing fan coils and air handlers in Dallas, Texas. The 9-321-55-1 is an authentic OEM coil replacement that ensures reliable performance and maintains system warranty compliance when servicing First Co. fan coil units.

OEM Part Number: 9-321-55-1 | Related Part: 9-321-54-1