Old Carrier Furnace, 3-Wire Pilot Assembly, Electrode Our 29 year-old Carrier furnace relies on a 3-wire pilot with an intermittent spark igniter. It sparks probably around 30 times before the gas valve opens and the furnace fires up. That's a lot of furnace pilot | eBay Find great deals on eBay for furnace pilot. Shop with confidence. Skip to main content. eBay Logo: New White Rodgers 30A07-31 Furnace Safety Pilot Burner Assembly Free Shipping. Brand New. $18. or Best Offer. Free Shipping. NEW Furnace Pilot Wiring Assembly Wire Rating 25KVDC 48 “long. Brand New. $40. or Best Offer. Free Shipping.