Source1 3103495000 Spark Ignition Control Board 2-stage

Product Description

The Source1 3103495000 is a spark ignition control board designed for 2-stage heating systems. It serves as the brain of the burner ignition sequence in gas furnaces and heating units. When the thermostat calls for heat, the control board manages the timing and sequencing of the igniter, gas valve, and blower motor to bring the system online safely and efficiently. A 2-stage control board supports both low-fire and high-fire operation, allowing the furnace to run at a lower capacity during mild weather and ramp up to full output when demand increases. This staged approach improves comfort, reduces temperature swings, and helps lower energy consumption over time. HVAC technicians rely on spark ignition control boards as a primary diagnostic and replacement component when a furnace fails to light, locks out on ignition, or runs erratically. Common symptoms that point to a failed control board include no spark at the burner, repeated ignition lockouts, fault codes on the board LED, or a furnace that cycles on and off without fully heating. The Source1 3103495000 is built to OEM specifications, making it a reliable direct replacement for compatible Source1 and associated brand furnace models. Source1 is a trusted name in the HVAC supply trade, offering parts engineered to match original equipment performance. Installing an OEM-matched ignition control board helps restore proper furnace operation without the guesswork of adapting a universal substitute. This board is suited for use by licensed HVAC technicians and qualified service professionals working on residential and light commercial heating equipment. Always verify compatibility with the specific furnace model and wiring configuration before installation.

• 2-stage spark ignition control supports low-fire and high-fire burner sequencing for improved comfort and efficiency
• Manages igniter timing, gas valve activation, and blower motor sequencing for safe furnace startup
• OEM-matched replacement board engineered to Source1 specifications for reliable, direct-fit installation

Product Highlights

The Source1 3103495000 spark ignition control board is a direct-replacement 2-stage board that restores proper ignition sequencing and furnace operation in compatible heating systems. It is a go-to component for HVAC technicians diagnosing ignition lockouts or erratic furnace behavior.

Product Information

Standard Information

• Brand: SOURCE1
• Manufacturer Part Number: 3103495000

Technical Specifications

• Control Type: Spark Ignition
• Stage Configuration: 2-Stage
• Product Category: Furnace Control Board
• Application: Gas Furnace Heating Systems