Appliance Repair Questions? Ask a Technician for Answers ASAP
Dipswitches are usually on the PCB . they set the way the boiler operates within certain values . these are shown on in the installation instructions
Currently say I invalid can I fix and what do I need to do thank
Is I as new install?
Is it a new install?
If the boiler has been workingvok until now I'm surprised that has come up
toby thanks direction sorted