Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, No Self Check, Gas,Oil, Coal: Infrared ( Lead Sulfide ) Flame Sensor C7915, Use with 7800 Series Primary Safety Control, Color: Red/White, Flame Signal Strength Ranges from 0.0-5 Vdc

Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Ampli-Check, Gas,Oil, Coal: Infrared Flame Sensor C7915, Use with 7800 Series Primary Safety Control, Color: Red/White, 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 C7061, Use with 7800 Series Primary Safety Control, Color: Purple, Flame Signal Strength Ranges from 0.0-5 Vdc