The Resideo S8600H3002 Intermittent Pilot Control Ignition Module LO is intended to provide HVAC systems with dependable and effective ignition. This CSA Design Certified module has an intermittent pilot ignition mechanism and runs on natural gas or LPG. To ensure accurate and secure ignition, it has a single igniter-sensor rod and a 90-second ignition trial period. https://www.partshnc.com/90-sec-lo-module-oem-model-2