Sterling HVAC 11J28R06881 Control/Ignition Board R-410A Calibration involves verifying the output
Baker’s notes & crumb story
Description
Sterling HVAC 11J28R06881 Control Ignition Board R 410A Calibration involves verifying the output Calibration involves verifying the output pressure at a known ambient temperature by utilizing the 1 8" NPT side port and leaving the 1 4" NPT port open to atmosphere