The Supco SSN24 is direct replacement silicon nitride igniter kit for most HVAC systems. Applications Furnaces Boilers Water heaters Unit heaters Pool heaters Features/Benefits Exact replacement hot surface igniter Superior gas lighting ability Lower power consumption 18 gauge copper high temperature fiberglass insulated lead wires Supco® round igniters offer an efficient , stronger, reliable hot surface Silicon nitride design Faster time to temperature response Stronger more durable design More robust in transit Higher resistance to oxidation Longer usable life Specifications Time to temperature (1800°F): 2.5 - 3 seconds @ 24 VAC Voltage: 24 VAC Amperage: 0.98 - 1.4 amps @ 24 VAC Cold resistance: 4-6 Ohms @ 75°F /- 10°F