Meridian 7103200 Furnace Spark Ignitor. Meridians goal is to provide contractors with high-quality HVAC solutions and replacement parts. This system includes changes and inventory updates to ensure peak performance. Meridian has a large line up parts and products for high-efficiency packaged rooftop units, split systems, HVAC controls, furnaces and indoor air quality products. This Meridian 7103200 Furnace Spark Ignitor is designed to quickly start the furnace and heat the coils for fast heat.