Eastman 120 volt Silicon Nitride Ignitor Upgrade KitThe Eastman hot surface ignitor is manufactured using premium silicon nitride for long lasting performance in high temperatures. This universal ignitor is a replacement part for use in gas fired appliances like furnaces, water heaters and boilers, compatible with over 150 OEM models. It can also be a good upgrade for silicon carbide ignitors, the new hot surface nitride ignitor will provide unparalleled performance for many seasons of use. Made right.