Honeywell st9120c2010 schematic. Universal Electronic Fan Timers.
Honeywell st9120c2010 schematic I need a wiring diagram for an old furnace board model 20 4057 along with a new furnace board model ST9129U. The ST9120U Universal Electronic Fan Timers integrate control of all combustion blower and circulating fan operations in a gas warm air appliance. Is there anybody knows what's the difference if any between Honeywell ST9120C 2010 control board and Armstrong Furnace Control Circuit Board R40403-003? Have to replace one Honeywell and have Armstrong. Thanks for looking and good luck! Nov 21, 2022 · Honeywell st9120c2022 wiring diagram Honeywell ST9120C Manual Honeywell T8112d1005 Manual PDF Honeywell T8112d Series User Manual Wiring Diagram Program Troubleshooting Honeywell T3R Manual PDF Download Thermostat Instrutions Honeywell T3R Installation Manual Honeywell T3 Thermostat Manual Installation Thermostat Troubleshooting Buy Honeywell ST9120U1011 Fan Blower Control Board Kit for your Honeywell Furnace new from the technical experts. Universal Electronic Fan Timers. R40403-003 control board for HVAC systems, replacing ST9120A, B, and C models, controls blower and inducer motors, with selectable delays. Honeywell ST9120C 2010 This item is new ready to work for you, if you have any questions please email me. Nov 23, 2024 · Amazon. Shop now for fast shipping and easy returns! Honeywell ST9120U 1011 electronic fan timer -Resideo (Honeywell Home) ST9120U 1011 universal electronic fan timer; replaces all existing ST9101, ST9120, ST9141 and ST9160 fan timers and ST9150A 1003, ST9150B 2000, ST9150B 2018, ST9150B 2026 and ST9150B 2034, Ducane 20430801 and 28M99, Armstrong 45392-001 and 45692-001 Sep 3, 2025 · Find many great new & used options and get the best deals for Furnace Control Circuit Board ST9120C 4057 HQ1011927HW Honeywell at the best online prices at eBay! Free shipping for many products! Manual Honeywell ST9120C. Untested. The correct board number is ***** 4057 with a new st9120u. May 7, 2025 · Find many great new & used options and get the best deals for Furnace Control Circuit Board ST9120C 4040 HQ1011179HW Honeywell at the best online prices at eBay! Free shipping for many products! Honeywell Furnace Fan Control Circuit Board Replaces ST9120C4040 This is a brand new furnace can control circuit board. We are continuing to evolve our product catalog experience but hope this is a helpful resource in the interim. ST9120C Wireless Enabled Timer and DT92E Wireless Room Thermostat. Sep 24, 2025 · Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 US $50. The basic purposes of the ST9120U are to monitor the thermostat for heat, cool and fan demands, run the induced draft blower Manual Honeywell ST9120C. In good cosmetic condition as well. And best of all, it’s ready to work in just about every situation, replacing more than 44 other models. . PAGE 4 CONTROL OF YOUR SYSTEM General Description of Controls in Your System Your Honeywell ST9120C provides timing control for your hot water system, letting you set ON and OFF periods to suit your own lifestyle. Explore a wide range of our Honeywell St9120c-2010 selection. 8A @ 115 ST9120U1011 Universal Electronic Fan Timer On the surface, the job of the ST9120U1011 is very simple: monitor temperature demands and run the fan as needed, but the ST9120U1011 also handles all the little complexities of the job. 5FLA, 15LRA @ 240 VAC Maximum Inducer Loading: 3FLA, 10LRA @ 120 VAC; 1. INSTALLATION INSTRUCTIONS The ST9120U Universal Electronic Fan Timers integrate control of all combustion blower and circulating fan operations in a gas warm air appliance. Both function poorly and I would like to replace with standard round manual thermostats. Jul 5, 2019 · Honeywell Furnace Fan Control Circuit Board Replaces ST9120C2010 This is a brand new furnace can control circuit board. Honeywell ST9120U1003/U Universal Electronic Fan Timer Universal electronic fan timer replaces ST9120, ST9101, ST9141, and ST9160 models installed in gas warm air furnaces. If you only turn on the fan, it will work, but if you turn on the AC fan, the fan will not work. The basic purposes of the ST9120 are to monitor the thermostat for heat, cool and fan demands, run the induced draft blower motor and run a circulating Used surplus. 95 $ 94. 5FLA, 5LRA @ 240 V Humidifier Terminal: . 95 + $13. The basic purposes of the ST9120U are to monitor the thermostat for heat, cool and fan demands, run the induced draft blower Aug 29, 2010 · Heloo. Problem - I took one of the timer thermostats off the wall - it has 3 wires coming in - 2 black and View and download the Manual of Honeywell ST9120C Temperature Regulation (page 2 of 26) (English). to/3Cssuwh Step by step process of installing a control board. 00 shipping Jan 6, 2008 · Replace old Honeywell timer thermostat [ 19 Answers ] I have 2 old Honeywell timer thermostats - on 2 floors - wired to my boiler (we have radiant water heating). Thanks for looking and good luck! Jan 6, 2025 · This is a brand new upgraded Furnace Control Circuit Board This ClimaTek Part Directly Replaces Part # ST9120C 2010 Top Quality ClimaTek Replacement Part, Built to Last! FocusPRO® N100 Series Non-programmable Thermostat Installation Manual Model: TH1110U4000, TH1210U4001, TH1320U4002 Aug 3, 2022 · l describe how to fix Honeywell heater/AC controller boards. com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. 97 Save 50% Honeywell – ST9120C 5013 Out of stock Sold By: Climate Solutions SKU: BS-0243-B1 Categories: Circuit Boards, Circuit Boards Brand: Honeywell Description Additional information Honeywell ST9120U1011 Universal Electronic Fan Timer. Replacement Products for ST9120C2010/U Functional Replacements ST9120U1011/U Universal electronic fan timer replaces ST9120, ST9101, ST9141, and ST9160 models. 3% positive Seller's other items Contact seller US $75. While the pictured item may not be sent, you will receive an item with identical part numbers from our current inventory. Purchase Honeywell Furnace Fan Control Board ST9120C 2010 in Atlanta, Illinois, United States, for US $380. Customer satisfaction is my number one priority. to/3NIFJuO Universal Honeywell ST9120U Board: http://amzn. I'm trying to troubleshoot it but it has a chip Jul 24, 2024 · Amazon. View and Download Honeywell Y9120H Sundial RF² Pack 1 installation instructions manual online. INSTALLATION INSTRUCTIONS The ST9120U Universal Electronic Fan Timers integrate control of all combustion blower and circulating fan operations in a gas warm air appliance. Do not connect Need help replacing your ST9120C 4040 board with a ST9120U? Explore expert Q&A discussions for wiring diagrams and tips to ensure a smooth installation! Jun 19, 2025 · OEM HONEYWELL ST9120C 2010 FURNACE FAN CONTROL CIRCUIT BOARD ST9120C2010 $89. View the Honeywell ST9120C manual for free or ask your question to other Honeywell ST9120C owners. Find top brands, exclusive offers, and unbeatable prices on eBay. The ST9120C does not directly control the temperature but works together with a CS92A wireless cylinder thermostat. It is designed to replace the board part numbers listed below. Universal Electronic Fan Timer with adjustable heat fan on, heat fan off, cool fan on, and cool fan off. to/2gNnLKG Tools We Recommend: https://amzn. We have Introducing the Honeywell ST9120C2010 Fan Control Board, the perfect solution for ensuring optimal performance of your HVAC system. Our Voluntary 30-Day Return Oct 15, 2025 · ST9120C5005 OEM HQ1084197HW Honeywell Fan Control Circuit Board ST9120C 5005 Nov 12, 2025 · This is Honeywell ICP ST9120C 5005 HQ1084197HW ST9120C5005 Furnace Fan Control Board used part. 00 Tue, Oct 14, 12:31 PM See original listing Honeywell Virtual Assistant Chat BotLooking for technical documents? Below you will find a downloadable file containing our most frequently requested data sheets and installation manuals. ST9120U timer pdf manual download. com: US Merchant - Direct Replacement ST9120C 4057 ST9120C4057 OEM for Honeywell Furnace Control Board HQ1011927HW York Luxaire Ducane Lennox LR91984 208876 : Tools & Home ImprovementAmazon. Also support or get the manual by email. Customer: I am experiencing the same problem with wiring the diagram for an old furnace board model 20 4057 when trying to connect it to a new furnace board model ST9129U. Thank you for looking! If you have any issues with your item, once you receive it, contact me immediately, and I will resolve it. To find your recommended cross reference simply turn to the appropriate product section, locate your product manufacturer and their part number and follow the row to the Honeywell part number. Condition is Used. Thanks for looking and good luck! Oct 27, 2025 · Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 $50. Sep 2, 2025 · Learn how to wire your thermostat safely and correctly. Thanks for looking and good luck! Dec 24, 2021 · I'm trying to find the scehmatic of Honeywell Fan Control Board ST9120C 4016 ST9120C4016 used in Furnaces. comHoneywell Replacement Furnace Fan Control Circuit Board ST9120C2010, 4 Inch, 3-Pin, 24V AC, Compatible with Radiator and Furnace Manual Honeywell ST9120C. com Return Policy: Amazon. Oct 13, 2025 · Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 $50. Thanks for looking and good luck! Get fast shipping on OEM Honeywell Furnace Control Board ST9120U1011 replacement parts from Repair Clinic. Furnace Control Board Circuit – ST9120C 5013 $ 189. If you have any questions, don't hesitate to ask. 00 Oct 13, 2025 · Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 $50. Y9120H Sundial RF² Pack 1 heating system pdf manual download. The common elements inside a wiring diagram are ground, power source, wire and connection, output devices, switches, resistors, logic gate, lights, etc. No returns after 30 days. Y9120H Sundial RF2 Pack 1 heating system pdf manual download. Jul 23, 2013 · Honeywell Replacement Furnace Fan Control Circuit Board ST9120C2010, 4 Inch, 3-Pin, 24V AC, Compatible with Radiator and Furnace - Replacement Household Furnace Control Circuit Boards - Amazon. 00 shipping How-to-use this cross-reference The pages in this guide contain Honeywell, OEM and competitive manufacturers controls and the recommended Honeywell cross reference. Order durable, direct replacement Honeywell Furnace Control Board parts. Resolder rather than replace the boards. Honeywell Air Handler Fan Control Board Replaces ST9120C 4057 ST9120C4057 This is a brand new furnace can control circuit board. <br /><br />Specifications:<br />- Part Number We would like to show you a description here but the site won’t allow us. 00 shipping Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 B23. APPLICATION The ST9120A-H Electronic Fan Timers integrate control of all combustion blower and circulating fan operations in a gas warm air appliance. Sundial RF². 99 Free shipping Honeywell Furnace Fan Control Board Replaces ST9120C 2010 This is a brand new furnace can control circuit board. ST9120C-2010 HONEYWELL from DISCONTINUED BY MANUFACTURER, HVAC, CONTROL BOARD, FOR FURNACES HVAC 2-Year Warranty - , Radwell Repairs Nov 5, 2025 · Honeywell ST9120C2010 Furnace Fan Circuit Control Board ST9120C-2010 $50. You will NOT receive exactly the same part as pictured, but a very similar one. This control is the central wiring point for most of the electrical components in the furnace. Was in great working condition when removed. 95 shipping View and Download Honeywell Y9120H Sundial RF2 Pack 1 user manual online. Shipped with USPS Ground Advantage. Nov 21, 2022 · Honeywell ST9120C Manual Honeywell ST9120C Manual PDF Download Instrutions Honeywell ST9120C Installation Manual November 21, 2022 View and Download Honeywell ST9120U manual online. This control is the central wiring point for most of the electrical components in the Apr 9, 2024 · Honeywell wiring hive diynot Honeywell thermostat wiring diagram batteries change battery replacement instructions91100-c2040 genuine hyundai wiring assembly-main Furnace hvac 3bda bf78 4cd1 transformer yellow blueHoneywell st9120c wiring diagram. My Favorite Tool: https://amzn. Honeywell Furnace Fan Control Board Replaces ST9120C 4040 This is a brand new furnace can control circuit board. With 7-day programming and up to 3 on/off periods per day, every day can be set differently. Your Honeywell ST9120C provides timing control for your hot water system, letting you set ON and OFF periods to suit your own lifestyle. Dec 8, 2023 · How to Read Wiring Diagram To read a wiring diagram, firstly you must know what fundamental elements are included in a wiring diagram, and which pictorial symbols are used to represent them. Wrong number. 00 shipping Universal Electronic Fan Timer Replaces Honeywell ST9120, ST9101, ST9141, and ST9160 Models Installed In Gas Warm Air Furnaces. This guide explains terminal functions, wiring diagrams, and compatibility for Honeywell Home thermostats. Extensive product details, fast shipping, and expert support Oct 3, 2025 · Replaces: ST9120C 4027, ST9120C4027, ST9120C 4057, ST9120C4057. Sold with a 30-day DOA warranty. Known for its reliability and efficiency, this Honeywell control board is designed to provide seamless control over your fan operations, enhancing the overall functionality of your heating and cooling systems. 00 + $5. Honeywell ST9120C2010 Furnace Control Circuit Board Pre-owned $32. This part was removed and inspected by professional. com: ST9120C Furnace Fan Control Board Replacement for Honeywell Furnace Fan Control Circuit Board ST9120C : Tools & Home ImprovementReplaces all 40403-001, 40403-002，40403-003 and ST9120A, B or C blower controls Maximum Blower Loading: 15FLA, 30LRA @ 120 VAC; 7. Aug 17, 2024 · Amazon. This is a new ClimaTek Control Circuit Board ClimaTek Control Circuit Board Fits Honeywell Resideo ST9120C 4057 ST9120C4057 ST9120C 4057 ST9120C4057 Furnace Heat Pump A/C AC Air Conditioner Control Circuit Board Panel Blower Fan Repair Part Oct 25, 2024 · Honeywell Furnace Circuit Control Board ST9120C2010 UnitedHvacParts (5408) 98. they get cold solder joints. Includes Instructions and Special Wire Harnesses For Easy Replacement. Please learn the images carefully for the model and part number verification. com: ST9120C4057 Furnace Fan Control Board Replacement for Honeywell Furnace Fan Control Circuit Board，ST9120C2010 ，ST9120C4040 ， HQ1084197HW ，ST9120C5005 ，ST9120C4016 : Tools & Home ImprovementHow to solve the problem of the communication fan not being turned on.