Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Ampli-Check, Flame Sensor for Gas: Rectifying Flame Rods C7004, C7005, C7007, C7008, C7009 and Q179 for Impedance Matching runs greater than 50' or Ultraviolet Flame Sensor C7012A and C, Use with 7800 Series Primary Safety Control, Color: Green, Flame Signal Strength Ranges from 0.0-5 Vdc

Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Dynamic Self Check, Gas,Oil, Coal: Ultraviolet Flame Sensor C7012A and C, Use with 7800 Series Primary Safety Control, Color: Green, Flame Signal Strength Ranges from 0.0-5 Vdc

Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, No Self Check, Gas,Oil, Coal: Infrared ( Lead Sulfide ) Flame Sensor C7015, Use with 7800 Series Primary Safety Control, Color: Red, Flame Signal Strength Ranges from 0.0-5 Vdc