Radiator terminology: lockshield valves
Some basic central heating questions:
* Whats the difference between a "lockshield" valve and a thermostatic
control valve -- the ones with numbers 1 to 10, say, which you turn to
control individual radiator temp.
* Thermostatic control valves -- should they be turned clockwise to
reduce radiator temp, anti-clockwise to increase radiator temp? Is
there a standard direction in which they operate?
Bruce
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