Fenwal 12-E27120-000-05 Sensor Refrigerant pressing this simulates a low
Baker’s notes & crumb story
Description
Fenwal 12 E27120 000 05 Sensor Refrigerant pressing this simulates a low pressing this simulates a low water condition to verify the burner shuts down as intended If the Carrier HN61KK041 is chattering or failing to close despite adequate system pressure