Honeywell S8910U1000 Universal Hot Surface Ignition Module Provides operating control of a direct ignition system using a 120VAC hot surface ignitor. Can be used on both single-rod and dual-rod hot surface ignition systems. LED signals system lockout, weak flame signal, or another internal error. Replaces more than 100 HSI modules, including Honeywell, White-Rodgers, and Robertshaw. * Selectable number of ignition trials (1 or 3) * Selectable length of trial for ignition (4 or 7 seconds) Features: Replaces many White-Rodgers, Robertshaw and Honeywell hot surface ignition models. For 120 Vac (up to 5.0A) surface igniter (Norton 201/271 or equivalent). For local (single rod) or remote (dual rod) rectification type flame sensing. Contains easy-to-use instructions plus the accessories required to adapt the existing hot surface ignition module. Provides one or three ignition trials (four-second or seven-second trials) per call for heat; prepurge of 32 seconds or less; up to 96 seconds between purge trial times.