Suburban Mfg 230956 Igniter Electrode Superseded by 525019. For Suburban Furnace P-30S/ P-40S/ NT-30/ NT-34/ NT-24/ NT-30/ NT-34/ NT-24/ NT-30S/ NT-34S/ NT-24S/ NT-34S/ NT-30SP/ NT-34SP/ NT-24SP/ NT-30SP/ NT-34SP. Does not include gasket. Sold as a single unit.