Firstco 9-320-3521 Hot Water Coil with Pump for 30/36 VAQ Series

The Firstco 9-320-3521 is a factory replacement hot water coil assembly designed specifically for 30,000 and 36,000 BTU VAQ series Aquatherm air handlers. This complete assembly includes an integrated circulating pump for efficient hydronic heating operation.

Key Specifications:

• 3-row coil construction for optimal heat transfer
• 18 inches high x 16 inches long coil dimensions
• Includes circulating pump assembly
• Compatible with 30VAQ and 36VAQ air handler models
• Seamless copper tube construction with mechanically expanded fins
• Full drawn collars on fins provide continuous surface coverage
• Brazed tube joints for leak-free operation
• Galvanized steel casing frame
• Factory air pressure tested to 350 PSI
• Rated for 300 PSI working pressure

This hot water coil is engineered to work with standard domestic water heaters (135-140°F) or boiler systems, providing efficient space heating when paired with Firstco VAQ series vertical upflow air handlers. The included pump circulates hot water through the coil when activated by the thermostat, delivering warm air throughout the duct system.