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If the board provides spark or hot surface ignition but cuts the gas valve after a few seconds
including reach-in coolers
Superior Heat Dissipation: Engineered with high-grade winding insulation to resist degradation in attic air handlers and rooftop environments
or loose connections at the gas valve body
What is the difference between KH74HP160 and KH74HP160A
Reznor 112972 Bearing Support 319825-402 If the board provides sparkThe Reznor 112972 Bearing Support is a critical structural component engineered specifically for high efficiency commercial unit heaters. Designed to provide rigid shaft alignment, this Right Bearing Support ensures the stability of the blower assembly under high torque operating conditions. By maintaining precise positioning, it significantly reduces mechanical vibration and prevents premature bearing housing wear, which is essential for extending