Ok so I need a new boiler.
I'm not not sure if I will get away with a combi or if Ill need an unvented cylinder. given my property, I'm guessing most would jump in and say unvented straight away.
So you can get a rough idea, the property was once 2 x 3 bedroom semis but is now a 5 bed detached. So there are around 20 rads. Has 1 bathroom and 1 ensuite shower room. Shower is used more in the bathroom than the bath. Rarely are both showers used at same time. There a 5 people.
I was using a system boiler with a home made heatbank. This worked extremely well until the cork seals around the flanges all started to leak. I've had no success removing the flanges to replace seals.
So through half the winter until now, hot water has been supplied using just the plate heat exchanger taken from the heatbank. Takes a while before hot water reaches the taps but once it's there, its absolutely fine. So in effect I am using a combi setup just with the PHE outside the boiler casing.
My boiler is now on its last legs and I cant get parts so it has to go.
My question is: is there any disadvantage of using a combination boiler over a system boiler to feed an unvented cylinder? Reason being, combi maybe Ok for our needs. If not, I'm thinking I could add an unvented cylinder at a later date if necessary.
Any suggestions on boilers too? How about the Intergas ones?
Cheers
I'm not not sure if I will get away with a combi or if Ill need an unvented cylinder. given my property, I'm guessing most would jump in and say unvented straight away.
So you can get a rough idea, the property was once 2 x 3 bedroom semis but is now a 5 bed detached. So there are around 20 rads. Has 1 bathroom and 1 ensuite shower room. Shower is used more in the bathroom than the bath. Rarely are both showers used at same time. There a 5 people.
I was using a system boiler with a home made heatbank. This worked extremely well until the cork seals around the flanges all started to leak. I've had no success removing the flanges to replace seals.
So through half the winter until now, hot water has been supplied using just the plate heat exchanger taken from the heatbank. Takes a while before hot water reaches the taps but once it's there, its absolutely fine. So in effect I am using a combi setup just with the PHE outside the boiler casing.
My boiler is now on its last legs and I cant get parts so it has to go.
My question is: is there any disadvantage of using a combination boiler over a system boiler to feed an unvented cylinder? Reason being, combi maybe Ok for our needs. If not, I'm thinking I could add an unvented cylinder at a later date if necessary.
Any suggestions on boilers too? How about the Intergas ones?
Cheers