Description
Tamper Prevention: Allows the main control to be mounted in a secure utility room while sensing the actual living or workspace temperature
verifying the continuity of this switch is a standard diagnostic step
verify the part number against your unit's specific technical guide or look for the 20-inch lead configuration on your current sensor
the 100290345 is the current manufacturer-authorized replacement for the retired GKT1010 and 100146289 part numbers
For 1k ohm nickel sensors
York S1-025-30889-000 Transformer Tamper Prevention: Allows the mainThe York S1 025 30889 000 Transformer is a heavy duty OEM HVAC control transformer engineered to step down 120V primary voltage to a stable 24V secondary output. Rated at 40VA and operating at 50 60Hz, this component provides essential low voltage power for thermostats, ignition modules, contactors, and integrated furnace control boards. Its foot mount design ensures a secure installation within the cabinet, while the spade terminal connections
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy