




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
The Carrier 5390 Airflow Proving Switch is essential for confirming airflow in HVAC systems. It detects air movement in ducts or vents, sending a signal to control systems, ensuring fans or blowers are operational. This switch functions effectively within a temperature range of forty degrees Fahrenheit to ninety-nine degrees Fahrenheit. Commonly integrated into Carrier air handling units and furnaces, it guarantees airflow is present before system activation.
The Carrier 5390 is vital for managing airflow, ensuring safe and efficient HVAC operation.
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!


