

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
First Company 9-320-448 is a hot water coil designed for use in 30/36MBX air handlers, providing heat transfer from hot water into the air stream for space heating applications. The coil integrates with the air handler's airflow to condition supply air using a hydronic heat source and aligns with factory replacement configurations for the 30/36MBX series.
Hot water coil replacement for 30/36MBX air handlers, MPN 9-320-448, intended for hydronic space heating integration.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!