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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
The primary 120Vac side typically uses White (Neutral) and Black (Hot)
Critical Safety Protection: Monitors internal plenum temperatures to prevent heat exchanger damage
2 mm slot width is optimized for consistent mechanical alignment
Optimized Energy Efficiency: Prevents unnecessary auxiliary heat engagement by precisely sensing outdoor ambient temperatures
Designed to handle the rigors of commercial piping
Marley Engineered Products 490030103 Fan Blade The primary 120Vac side typicallyThe Marley Engineered Products 490030103 Fan Blade is a critical HVAC replacement part engineered for high static pressure environments. This 5 blade fan blade configuration is designed specifically for integration with Berko, Marley, and QMark field units, ensuring your unit heater repair meets exact OEM specifications. Constructed from durable, corrosion resistant materials, this Marley replacement fan provides balanced, vibration free operation to