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Andrew Smith
Andrew Smith, HVAC Technician
Category: HVAC
Satisfied Customers: 3646
Experience:  Heating and Controls engineer
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I top up my 30 cxi every day as the pressure drops in 12hrs

Customer Question

I top up my 30 cxi every day as the pressure drops in 12hrs .
But there is no leak in the system and no sign of a leak.
Can it be in the boiler.
Regards Gordon
Submitted: 1 year ago.
Category: HVAC
Expert:  Andrew Smith replied 1 year ago.
Can you check the 15mm PRV discharge outside?
If it is not dripping currently then put a balloon or sandwich bag over it then refill and run.
Let me know what happens