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Hi, had a boiler installed with low loss header but I think it is plumbed incorrectly. When either zone is on radiators are hot however, when both zones are on, zone 2 radiators are much colder. Here is plumbing diagram Shouldn't the flow pipes be at the top and return pipes at the bottom?

Hi, I am looking to change our megaflo 300l tank as it is quite old now and is causing water to smell. I believe it is something inside the bubble float breaking down? Which is a good brand to get that will last 15+ years and has fast recovery? Are telford any good or is the metal thin? how...

Hi, I require a new oil boiler, previous boiler never worked. Its a huge 200kw red diesel boiler downgraded I think to 75kw. I have 2 quotes so far: 180kw ideal falcon gts 2 x 90kw Hoval Uno - 3 Is condensing just a waste? Even hoval didn't recommend it suggesting their models takes...

I have an old Cast iron Oil boiler, which digital programmable thermostat is best suited for it? I read that TPI controlled stats which seems the norm are not good for non condensing / modulating boilers, is this correct? The only digital thermostat I found that can switch tpi off is danfoss.

Hi, the roof of my house is being retiled and felted with a breathable membrane. The house is a period property with yorkshire stone roof, however it has suffered from dry rot in parts. Now seems the perfect time to add insulation as it has none. I measured the roof trusses gap and it...