Hi, I'm after some help regarding my Father in laws heating system.
He has had a local engineer around but hasn't had a fix and is very remote so I'm looking at the issue before arranging someone to try to fix. He is on oil and has a modern raeburn boiler/range. He has a vented system with wented hot water tank, s plan wiring and the CH vent pipe goes out of the roof possible 1m above the highest rad (rooms in roof). When the CH is on he is losing water out of the vent pipe and has to bleed the highest radiator daily. I'm assuming this is expansion causing the overflow but why hasn't this always happened? He is obviously diluting any inhibitor daily and wasting a lot of water, where is the problem likely to be? If you need any more info about the system please let me know, I'm an engineer and quite handy. I just can't get my head around what the fault may be and as nothing has changed I can't see how there is an inherent problem with the install. TIA for any insight.
He has had a local engineer around but hasn't had a fix and is very remote so I'm looking at the issue before arranging someone to try to fix. He is on oil and has a modern raeburn boiler/range. He has a vented system with wented hot water tank, s plan wiring and the CH vent pipe goes out of the roof possible 1m above the highest rad (rooms in roof). When the CH is on he is losing water out of the vent pipe and has to bleed the highest radiator daily. I'm assuming this is expansion causing the overflow but why hasn't this always happened? He is obviously diluting any inhibitor daily and wasting a lot of water, where is the problem likely to be? If you need any more info about the system please let me know, I'm an engineer and quite handy. I just can't get my head around what the fault may be and as nothing has changed I can't see how there is an inherent problem with the install. TIA for any insight.