LV2 - FC5 - UK Plumbing Regulations and Components

Front

Legal requirement for plumbers in the UK

Back

Use approved materials, fittings, and appliances.

Front

Reasons for using approved products

Back

Prevent backflow, contamination, and corrosion.

Front

Screw down stop valve usage

Back

Commonly used on incoming mains; high pressure only.

Front

Service valve (slotted)

Back

Can be high or low pressure; required before a FOV on certain appliances.

Front

Washing machine valves requirement

Back

Fitted prior to the washing machine hose.

Front

Lever arm spherical plug valve

Back

Can be high or low pressure; flow direction.

Front

Fullway gate valve usage

Back

Only on low pressure systems; can have a lock shield.

Front

Surestop

Back

Modern electronic form of mains isolation using a solenoid.

Front

Solenoid type system usage

Back

Emergency isolation valve in case of leakage; manual valve needed before it.

Front

Installation requirement for low points in a system

Back

Required to be installed at every low point and immediately above the incoming stop valve.