depot pull
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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
and Miller gas and electric furnaces
Operating with a fixed 15°F differential
Precision Calibration: Easily adjustable set points ranging from 0
We recommend verifying your specific model number with our team before ordering
Which air handler models will this heat kit fit
Fireye 25SU3-5166D Amplifier 318172-701 and Miller gas and electricThe Fireye 25SU3 5166D Amplifier is a high discrimination flame signal amplifier designed for integration with Type 25SU3 Flame Monitor systems. This dual voltage component operates on 120 230V AC, providing the critical signal processing required to distinguish between target flames and background radiation in multi burner environments. Engineered for maximum reliability, the 5166D model features high discrimination circuitry that eliminates