Schneider Electric (Barber Colman) R820-PCB-A01 Input Board Els PW 17895 or Robertshaw valve to LP

or Robertshaw valve to LP operation

the York S1-025-19499-001 is an application-specific component

Key Benefits: Optimized Load Management: Prevents peak demand surges by staggering the startup of resistive heating elements and blower fans

small motors

Schneider Electric (Barber Colman) R820-PCB-A01 Input Board Els PW 17895 or Robertshaw valve to LPThe Schneider Electric R820 PCB A01 is a critical replacement 24Vac electronic PCB input board engineered for both single phase and three phase HVACR systems. Designed to maintain precise control logic within older Barber Colman architectures, this HVAC control board facilitates seamless communication between input sensors and heavy duty contactors. It serves as the verified R820 PCB A01 direct replacement for legacy part numbers 021 0474 and KEL021