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while this harness is pinned for remote sense applications
while the internal overload protection safeguards the motor against thermal spikes
The resistor is designed to bleed off residual voltage
The bracketed 2-inch mounting base provides a secure
Common Questions: What are the signs of a failing York S1-025-41219-000
Resideo ST9103A1002 Electronic Fan Timer 340155-7026 while this harness is pinnedThe Resideo ST9103A1002 serves as a robust electronic fan timer for modernizing HVAC furnace controls in both oil and gas applications. As a direct replacement electronic fan timer for the legacy 20123101 model, this unit functions as the primary 18 30 Vac interface for the combustion air blower, circulating fan, and oil primary control circuit. It features a fixed 45 second heat on delay and adjustable fan off delay settingsconfigurable to 60, 90,