Furnace Ignitor LH33ZS004 | Carrier, Bryant, & Payne â€" Lowest Price Hot Surface Ignitor The heating element portion if the ignitor is 2-1/4 long. LH33ZS004 OEM ignitor for carrier, bryant, payne and day & night furnace. LH33ZS004 is the direct replacement for 331930-751, 332505-751, 41-409, LH33ZS001, LH33ZS001A, LH33ZS002, LH33ZS003. The ignitor in your carrier, bryant, payne and day & night furnace might be bad if you have power going in to the ignitor but it won't ignite The lead wires are 5-1/4 long and are terminated with a plug that has two male pins inside a housing that has one square end and one pointed end. Aazon.co: bryant furnace parts Two high temperature ceramic wire nuts are also included and can be used if your existing plug is damaged or is not long enough. This connection style was used on many Carrier, Bryant, Payne, and Day & Night furnace models. Carrer Furnace gntor Replacement This ignitor is the wide style used on many Carrier, Bryant, Payne, and Day & Night gas furnaces. There are locating ridges on all four corners of the ceramic block. The ceramic block on this ignitor is 2 wide, 7/8 deep, and 5/8 thick.