Honeywell Flame Safeguard Amplifier for R4795 Series, 2-4 Second Flame Failure Response Time, No Self Checking, Color: Green, Use with Recifying Flame Rods C7004, C7005, C7007, C7008, C7009 and Q179 Series for Gas, Use Ultraviolet Flame Sensor C7012A or C Series for Gas, Oil and Coal, Used with R4795A and D Series Primary Safety Control