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Need a replacement control board for your York furnace?

This ST9120C4057 unit is a guaranteed working used part.

It was tested and removed from a fully functional system.

It's compatible with a bunch of systems: central furnaces, heat pumps, and split AC units.
The model numbers are ST9120C4057 and HQ1011927HW.

It runs on 24V and handles up to 50A.

It's a 1-phase board.

Plus, every purchase comes with tech support if you need a hand with installation.

A reliable, cost-effective fix for your heating system from a seller who's been around since 2001.
4.5 out of 5