Description
The First Company 9-320-4421 is a factory-engineered hot water (HW) heating coil with an integrated pump, designed specifically for use with First Company 30/36HB/M series air handlers. This OEM replacement coil ensures a precise fit and optimal thermal performance, maintaining the efficiency and reliability of your hydronic air handler system.
Product Overview
Engineered as a direct OEM replacement, the 9-320-4421 hot water coil assembly delivers consistent hydronic heating output for residential and light commercial applications. The integrated pump circulates hot water through the coil efficiently, providing reliable heat transfer and even temperature distribution across the air handler’s airstream.
Key Features
- OEM hot water (HW) coil designed for First Company 30/36HB/M series air handlers
- Integrated circulating pump for self-contained hydronic heating operation
- Precision-engineered for direct drop-in replacement — no modifications required
- Supports consistent heat transfer and even air temperature distribution
- Durable construction built to First Company’s OEM quality standards
- Ideal for residential and light commercial hydronic heating applications
Compatibility
- Compatible with First Company 30HB/M and 36HB/M series air handlers
- OEM part — engineered to factory specifications for seamless integration
Why Choose OEM?
Using a genuine First Company OEM coil assembly ensures your air handler operates at peak efficiency. Aftermarket substitutes may compromise system performance, void warranties, or require additional modifications. The 9-320-4421 is the correct, factory-specified part for your 30/36HB/M unit.
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