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Installing it on lower voltage will result in insufficient wattage output
If your diagnostic LEDs indicate a "pressure switch stuck open" or "pressure switch failed to close
In many systems
the CPT0668 is rated for 440VAC
Berko 410171001 Relay Installing it on lower voltageThe Berko 410171001 Relay is a specialized 24V time delay relay engineered for precise sequencing in commercial and industrial heating systems. As an essential Marley Engineered Products replacement part, this component is designed to manage the staggered activation of heating elements, preventing high inrush current and reducing stress on your electrical distribution panel. This HVAC control relay is a direct OEM fit for Berko CUH900 series heaters
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