Sta-Rite Ignition Control Module (FENWAL), Fits MaxETherm / MasterTemp
This is the Brain of The MasterTemp and MaxeTherm Heater, The IID Controller, Made By Fenwal. Automatic Ignition System, Cat. 35-662944-013. Grey Box with Circuit Board Inside. 42001-0052S Can also be found on StaRite and Pentair Heater Parts Pages
California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.