

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 Armstrong Furnace Defrost Stat R100503-08 is an essential component for maintaining your furnace system. This part ensures efficient defrost cycles, preventing ice buildup and optimizing performance.
This defrost stat uses precise sensing technology to monitor frost accumulation on the evaporator coil. It triggers the defrost cycle when needed, reversing the refrigerant flow and melting any ice buildup. Produced from high-quality materials, it guarantees durability even in harsh conditions.
Thanks for subscribing!
This email has been registered!