Power Your Honeywell Smart Thermostat without a C-Wire!

Compatibility: This Honeywell Home C-Wire Adapter (THP9045A1098) is compatible with most Honeywell Wi-Fi thermostats and RedLINK® 8000 Series thermostats (check for specific model compatibility before purchase).

Universal Application: Ideal for situations where your existing thermostat lacks a common (C) wire but has Y and G wires.

Quick & Easy Installation: Features easy push terminals and an adhesive mount for hassle-free attachment to your furnace.

Concealed Design: A closed cover keeps internal components protected and offers a clean aesthetic.

System Compatibility: Works with forced air (gas, oil, electric), hot water, steam, and heat pumps with electric backup. Not compatible with electric baseboard heat (120-240V).

Condition: Pre-Owned Like New

Open Box to Confirm Condition - Item Appears New and Unused


Returns: We Stand behind all of our items, therefore if you receive an item thats damaged or defective we'll accept the return UNLESS the item was described as damaged or defective. We Offer free returns which includes a shipping label. We also charge a restocking fee on buyer remorse returns. If the item is not in the same condition we reserve the right to hold back up to 50% of the sale.