Could I have your advice on this matter please.
There a 7 radiators split between 5 rooms on the ground floor of my house and they are all slow to heat up. From looking under the downstairs floorboards it appears that the entire system is made up of 15mm pipework (not just the pipework to the rads).
The central heating flow and return pipes from/to the pump situated in my upstairs airing cupboard are also in 15mm. From the pump they run across the landing into a bedroom, then downstairs via the wall of the cloakroom below, to beneath the floorboards. What I would like to know is: Would the radiators heat up quicker if increased the diameter of the flow pipe (to 22mm) from the pump to just below the downstairs floorboards, and if I did this, would I also have to increase the size of the return pipe from the floorboards to the pump? Also, if the above is possible, are there any other problems this may cause?
There a 7 radiators split between 5 rooms on the ground floor of my house and they are all slow to heat up. From looking under the downstairs floorboards it appears that the entire system is made up of 15mm pipework (not just the pipework to the rads).
The central heating flow and return pipes from/to the pump situated in my upstairs airing cupboard are also in 15mm. From the pump they run across the landing into a bedroom, then downstairs via the wall of the cloakroom below, to beneath the floorboards. What I would like to know is: Would the radiators heat up quicker if increased the diameter of the flow pipe (to 22mm) from the pump to just below the downstairs floorboards, and if I did this, would I also have to increase the size of the return pipe from the floorboards to the pump? Also, if the above is possible, are there any other problems this may cause?