Manufacturer Name: Resideo Product Number: S89F1098/B OEM Part Number: S89F1098/B Product Description: 4 Sec Lockout 30 Sec Prepurge Weight:0.78lbs/353.8g The Resideo S89F1098/B is a vital part of gas-fired heating systems and is an essential product. It is an ignition control module that controls the electrical process of ignition. It has two igniter-sensor rods for direct spa... https://www.partshnc.com/s89f1098b-resideo-4-sec-lockout-30-sec-prepurge