The boiler is a vokera excell 80 sp. there is no interupter on the thermocouple, straight from the gas valve, to the pilot injector. could you also tell me how much they are roughly? thank you kindly.
shaun got instructions in front of me their is a interrupter fitted on this boiler code 7311 gc number 384188 try connecting t/c lead right in to back of gas valve see if this sorts it but dont leave it ;like that