Lockshield Valve

This webpage describes what a central heating system lockshield valve is and what it does.

Lockshield Valve

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A lockshield valve controls the amount of water that flows through a radiator.

A lockshield valve can increase or decrease the amount of water that flows through a radiator.

A lockshield valve is used to ‘balance a central heating system’.

Links

Central Heating Problems – Advice & Help – main Judge Electrical central heating help and advice page.

Central Heating Troubleshooting Tips – series of short tips to help solve central heating problems.

Central Heating Noises – what can cause different types of noises.

Banging Noise – possible explanations.

Humming Noise – possible explanations.

Creaking Noise – possible explanation.

Thermostats – what a thermostat is, what central heating system thermostats are used for; shows what central heating thermostats look like.

Central Heating Boilers – Information about central heating boilers.

Central Heating Boiler Problems – Advice & Help – advice and help on solving common central heating boiler problems.

Central Heating Timers Problems – Advice & Help – advice and help on solving common central heating timer problems.

Electrical RCD – Find, Reset, Investigate A Constantly Tripping RCD – is the central heating RCD tripping? How to find the RCD domestic unit, reset an RCD and how to investigate constantly tripping RCDs.