How to mend Boiler Heating Thorn Apollo

the water pressure is over 3 bar in my apollo boiler how can i reduce it? t?

appollo 30/50?

how can i fix?

Apollo 50 Si?

apollo 30/50b over heat switch?

where can i buy a thermal coupler?

Can you bleed a thorn apollo boiler?

how can i start up apollo si?

how can i fix boiler?

how to fix my boiler ?

appollo central heating boiler?

The pilot won't light?

How to fix Apollo 30/50 Boiler?

boiler hunting?

apollo boiler?

main burner on apollo 65/50 b won't ignite?

I have hot water but heating is not working ?

How can I fix Apollo 30/50 boiler?

how can i repair my apollo 30/50 it is not supplying heating just hot water?

clock won't work ?

Apollo fanfare30/ 50 pilot light ignites main burner does not?

Apollo Fanfare 15/30 fault?

apollo 30?

MY TOWERCHRON TIMMER ?

How can I fix my Apollo Fanfare30/50 SI?

my apollo 30/50b went of yesterday?

Apollo 40B Main burner cuts out after 10-15 mins?

apollo boiler banging noises ?

how many killowatts?

Apollo 40B?