my boiler heating is on though switch says its off?

my boiler heating is on though switch says its off?

airlock in my trianco eco combi 65?

Thanks John! Trianco Redfyre boiler - where can I find the frost thermostat?

trianco redfyre oil boiler has gone into lockout?

how to fix oil boiler tro 12/14?

Trianco Optima Boiler Programmer Fault (QA73)?

How do I drain my oil fired Trianco Redfyre TRO15/19 heating system?

can anyone tell me where i can get a trianco tro 15/19 installation manual ?

what could be wrong with my trianco eurostar boiler please?

I have Trianco Redfyre oil boiler - £1600 in oil since November! please hel?

Trianco Oil Boiler, pressure rises to 3 bars and vents out the back?

Trianco spares?