ocean alpha 240 p losing pressure

[ashman555]

hi first time on here hope someone can help ,my ocean 240 p boiler keeps losing pressure ,there is no leaks any where, no water is coming from the pipe outside can any help cheers ash

 

[Stingray13]

Could be a number of things,

1. Leak under floors (Ground)
2. Leak within boiler
3. Faulty Pressure Vessel
4. weeping Rad valves

The List goes on, the water isn't evaporating so its going somewhere, i don't mean that sarcastically i mean it truthfully.

 

[nickso]

make sure the system is stone cold then go round every rad and physically feel every joint, looking is no good. i'd be a millionaire if i had a pound for every customer who swore there were no leaks on rads only for me to find some in minutes. check under and inside the boiler carefully, alphas are leaking sieves at the best of times, ill bet at least one union is leaking.

 

[Paul Barker]

Just fill up cold to 2.5 bar, shut flow and return valves under boiler. Watch pressure guage for 10 minutes does it drop? leak is in boiler. Open flow and return does it drop? fault is in system.

Hopefully because it is cold and high pressure you will force the fault to show itself.