Central Heating thermostatic radiator valve??? I've been told that you call for to leave one radiator short...

I've been told that you call for to leave one radiator short a theromostatic valve for the centralized heating to work properly. Why's this and what problems would it incentive if all have trv's fitted?
What should I do going on for my...
Answers:    It may be a design flaw in the piping,probably do not hold mono-flow fittings at radiators,and you need to maintain 1 radiator open for dampen circulation.
Does anyone know how to stop a shower...
its seems for a while odd,is the boiler oversized? the merely thing that comes to mind is the obligation to maintain a given marine pressure at the pump inlet.