HW-T12301 - Ignition HONEYWELL - Free user manual and instructions
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| Product Type | Ignition Control Module |
| Brand | Honeywell |
| Model | HW-T12301 |
| Category | Ignition System |
| Power Source | 24 VAC, 50/60 Hz |
| Dimensions (L x W x H) | 4.5 x 2.8 x 1.5 in (11.4 x 7.1 x 3.8 cm) |
| Weight | 0.55 lb (250 g) |
| Mounting | Surface mount with bracket |
| Compatibility | Gas furnaces, boilers, and other gas-fired appliances |
| Ignition Type | Direct Spark Ignition (DSI) |
| Control Type | Microprocessor-based |
| Flame Detection | Flame rectification |
| Safety Lockout | 60-second lockout on failed ignition |
| Operating Temperature | -40°F to 175°F (-40°C to 80°C) |
| Storage Temperature | -40°F to 185°F (-40°C to 85°C) |
| Standby Power | Less than 2 W |
| Warm-up Time | 3-5 seconds spark duration |
| Certifications | UL, CSA, CE |
| Included Accessories | Mounting screws, wire connectors, instructions |
| Warranty | 1-year limited warranty |
Frequently Asked Questions - HW-T12301 HONEYWELL
What does the HW-T12301 ignition control do?
The HW-T12301 is a direct spark ignition control that automatically lights the burner in gas-fired appliances. It uses flame rectification to verify ignition and shuts down the gas valve if no flame is sensed.
Is the Honeywell HW-T12301 compatible with my furnace?
It is designed for most 24 VAC gas-fired systems. Check your appliance's electrical rating and mounting configuration. For retrofits, verify the control board wiring against the instruction manual.
How do I troubleshoot a no-heat condition?
Start by checking the 24 VAC power at the control module, then verify the flame sensor is clean and properly positioned. If the control is in lockout, reset by turning off power for 30 seconds and retry.
Can I clean the ignition control module?
Use a dry, soft cloth to wipe the exterior. Do not use liquids or sprays. Keep the flame sensor free of carbon deposits for reliable operation.
What safety features are built into this ignition control?
The module includes flame lockout, safety shutdown, and an inter-purge delay. It continuously monitors the flame and closes the gas valve if an unsafe condition is detected.
Where can I find replacement parts?
For genuine Honeywell parts, visit your local HVAC distributor or contact Honeywell customer support. Often the flame sensor and igniter assembly are replaceable without swapping the entire module.
How do I install the HW-T12301?
Installation must be performed by a licensed technician. Mount the module securely, connect the 24 VAC terminals to the transformer, and connect the sensor and gas valve leads according to the wiring diagram.
Does the module have a diagnostic LED?
Yes, an LED indicator shows system status: steady green for normal operation, blinking for fault codes. Refer to the manual for specific blink patterns.
What is the recommended maintenance schedule?
Inspect the ignition module and flame sensor annually, before the heating season. Clean the sensor with fine sandpaper or emery cloth if needed, and check for loose wiring.
Is this ignition control compatible with LP gas?
Yes, the HW-T12301 is suitable for both natural gas and LP gas applications. Ensure the gas valve and combustion settings are adjusted for the specific gas type during installation.
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USER MANUAL HW-T12301 HONEYWELL
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Product information
Brand : HONEYWELL
Model : HW-T12301
Category : Ignition