A homeowner has a CALEFFI 553549A Auto Fill Automatic Boiler Fill Valve installed to feed the boiler. It is mounted upside down. Your instructions note on Notation #1, Page 16 of instructions that it is vital that this valve NOT be installed upside down. What will happen if it is installed upside down?
A homeowner has a CALEFFI 553549A Auto Fill Automatic Boiler Fill Valve installed to feed the boiler. It is mounted upside down. Your instructions note on Notation #1, Page 16 of instructions that it is vital that this valve NOT be installed upside down. What will happen if it is installed upside down?