Hayward CHXMSI1930 Manual Spark Ignitor Replacement for Hayward H-Series Millivolt Pool Heater Manual spark ignitor Fits hayward h-series millivolt heater models h1501, h150p1, h2001, h200p1, h2501, h250p1 Also fits hayward h-series pool heater models h100id1, h100idp1 Also fits H-Series CZ, HM2, CPS models Weighs 6.9 pounds