Hi,
The central heating has never worked well - only the rads nearest to the combi boiler in the kitchen get hot.
The others get warm around the top, upstairs is even worse. The boiler has been repaired a couple of years ago under a fixed price by the manufacturer but it's now on the blink again.
I bought a Flir One thermal camera and walked around pointing it at the pipes and rads.. they all seem to show as hot with no cold spots, but the weather is obviously a lot warmer now so less difference between rads & pipework vs ambient temperature.
I've been advised by a heating company it would be best to replace ALL of the 18 rads at a cost of over £3K as they will be rusting inside. They say the different ages of rads will have a different metal composition that cause each other to rust more.
There are 3 different ages of rads, most look 1980s and have imperial sizing, a couple seem 1990s and some are fairly modern 2010's in the extension.
Just wondering if it's right that they all need changing. Had 2 others quote to replace boiler and none of them mentioned replacing rads.
I'm not experienced in plumbing DIY, draining down, refilling etc. and some of the rads are ginormous but any advice and help would be really appreciated.
Many thanks in advance.
The central heating has never worked well - only the rads nearest to the combi boiler in the kitchen get hot.
The others get warm around the top, upstairs is even worse. The boiler has been repaired a couple of years ago under a fixed price by the manufacturer but it's now on the blink again.
I bought a Flir One thermal camera and walked around pointing it at the pipes and rads.. they all seem to show as hot with no cold spots, but the weather is obviously a lot warmer now so less difference between rads & pipework vs ambient temperature.
I've been advised by a heating company it would be best to replace ALL of the 18 rads at a cost of over £3K as they will be rusting inside. They say the different ages of rads will have a different metal composition that cause each other to rust more.
There are 3 different ages of rads, most look 1980s and have imperial sizing, a couple seem 1990s and some are fairly modern 2010's in the extension.
Just wondering if it's right that they all need changing. Had 2 others quote to replace boiler and none of them mentioned replacing rads.
I'm not experienced in plumbing DIY, draining down, refilling etc. and some of the rads are ginormous but any advice and help would be really appreciated.
Many thanks in advance.