COMPATIBILITY - 380 Watts, 120V AC loop igniter compatible with Heatilator Eco-Choice CAB50, PS35, PS50; and Quadra-fire Contour, Castile, Castile F/S, Castile FS MBK, Santa Fe, Santa Fe B, Mt Vernon, Mt Vernon E2i. REPLACEMENT IGNITER PART - Part#: SRV7000-462/ 812-3811. PRODUCT SIZE - Elements: 3/4 inch Wide x 3 2/5 inch Length x 1/4 inch Dia Rod, thermally Protected Wires- 18 inch length with Male Connectors. REPLACE OLD PARTS - Part#: SRV7000-226, 7001-226, 7000-020.