This ignitor is designed to replace old Honeywell part #s Q3400A 1024 & Q3400A1024. List of Honeywell Gas Valves use this Ignitor: SV9500, SV9600, SV9600H, SV9401, SV9402, SV9403, SV9501, SV9502, SV9503, SV9601, SV9602, SV9500M2603, SV9500M2674, SV9500M2682, SV9501M2528.
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