I have just fitted 12 TRV's to my radiators where there were none present before.
Having read a bit online, most people seem to reckon leave the TRV about 3. However, at 3, my radiators hardly heat up, I have to leave all the TRVs at 5! Also, I have noticed, that some radiators with the TRV set at 5 still seem restricted and cooler towards the bottom. I had all the TRVs on with the screw collar tight, but I have had to lose the collars on some of the TRVs (even when on setting 5) to get a reasonable flow through the radiator. Is this normal, or am I doing something wrong?
I had hoped to have control of the heat gradually from 0 to 5, but it seems its all or nothing, ie setting 5 or cool rads on anything below 5.
Having read a bit online, most people seem to reckon leave the TRV about 3. However, at 3, my radiators hardly heat up, I have to leave all the TRVs at 5! Also, I have noticed, that some radiators with the TRV set at 5 still seem restricted and cooler towards the bottom. I had all the TRVs on with the screw collar tight, but I have had to lose the collars on some of the TRVs (even when on setting 5) to get a reasonable flow through the radiator. Is this normal, or am I doing something wrong?
I had hoped to have control of the heat gradually from 0 to 5, but it seems its all or nothing, ie setting 5 or cool rads on anything below 5.