Norton Hot Surface Ignitor 271M, Carrier model LH33ZS004, This ignitor is common on most Carrier, Payne and Bryant gas furnaces. This Ignitor replaces the following part numbers: Norton 271M 1138, 271H 1138, 271H 0834, 271N, LH33ZS001, LH33ZS001A, LH33ZS002, LH33ZS002A, LH33ZS003, LH33ZS003A, LH33ZS004, LH33ZS004A. When replaceing the ignitor avoid touching the black element area, handle by the base. This ignitor is fragile, handling by the black area can shorten the life or even break the ignitor. This ignitor is a Carrier OEM part made in the United States. If you need help verifying the correct part for your equipment please call our office and we will assist you. 1-855-431-2842. Shipping rates apply to the Continental US only. For Canada, Alaska and Hawaii additional shipping is required. Please call the office for a quote.