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Resideo ST9120U1011 Electronic Fan Timer with LED Diagnostic

Resideo

$199.95

In Stock — 10+ available

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SKU:
ST9120U1011
Product Type:
Electronic Fan Timer
Subcategory:
Furnace Control Board
Application:
Residential
System Type:
Furnace, Gas Warm Air Appliance, Heat Pump
Installation Type:
OEM Replacement
Voltage:
18-30V AC
Voltage Class:
Low Voltage
Temperature Range:
-40°F to 175°F
Fuel Type:
Natural Gas
Control Type:
Non-Programmable
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Flat-rate shipping. The same price to anywhere in the 50 states.

Ships same or next business day · UPS Ground, typically 1–5 business days.

Universal electronic fan timer for gas furnaces and warm-air appliances. Replaces 44+ legacy Honeywell and Resideo models (ST9120, ST9101, ST9141, ST9160 series). Features DIP switch-selectable heat/cool delays, diagnostic LED, replaceable 3A fuse, and integrated EAC/HUM terminal connections. Rated 18-30V AC, -40°F to 175°F operating range.