




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 AMERICAN STANDARD CNT08177 Defrost Control is an OEM component designed for heat pump systems. This control board manages the defrost sequence, preventing coil freeze-ups and maintaining heating efficiency. It monitors outdoor coil temperature and runtime, intelligently shifting the reversing valve and outdoor fan motor. Engineered for seamless integration, it ensures optimal operation of HVAC systems by clearing frost layers from exterior fins. This genuine part is suitable for various American Standard and Trane units.
This OEM defrost control ensures efficient heat pump operation by preventing ice buildup and managing defrost cycles.
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!




