




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 SOURCE 1 S1-6421652 is a circuit board built for SSE 4.4 2-stage systems. This component supports communication capabilities and is compatible with various HVAC systems. It measures three inches tall, eight inches wide, and nine inches deep. The new circuit board is designed to enhance the operation of 2-stage systems by managing critical control functions.
This circuit board aids in seamless operation within existing setups, ensuring reliable electronic control.
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!




