Directbrand has over 10 years experience in providing Silicon Nitride igniters. The ultimate upgrade made from silicon nitride, robust and durable. This direct drop in upgrade replaces A.O. Smith part number 9004519205.
3 year warranty
Simple to fit
Direct drop in replacement
Used in the following model numbers: BTH-120 thru 250; old numbers # 192638 and 192638-B