What is an Anti Legionella valve?
What is an Anti Legionella valve?
The Reliance Anti-legionella valve converts a standard single connection expansion vessel into a ‘flow through’ type. It does this by diverting a portion of the flow into the vessel so that the water content is continually renewed to prevent water stagnation, which can cause to Legionella growth.
Where are anti Legionella valves fitted?
Replacing any flexible hoses, this valve is designed to be installed directly between the cold feed and expansion vessel via the tee and vessel connection.
What is a dead leg Legionella?
Dead leg – a pipe leading to an outlet through which water flows but the outlet is unused/rarely used. Legionella & Legionnaires’ disease.
How long can a dead leg be water?
‘Dead legs’ WRAS guidelines state that the length of any dead leg should be limited to two times the pipe’s diameter. Water cannot circulate in a dead leg, so if the dead leg is much longer than that, it could be a breeding ground for Legionella.
What is considered a dead leg in piping?
Dead legs are sections of potable water piping systems that have been altered, abandoned or capped such that water cannot flow through them. This includes isolated branch lines, pipe sections with closed valves and pipes with one end capped. Dead legs experience periods of no flow which leads to stagnation.
What is a hot water dead leg?
The term dead leg, or dead end is typically used to describe a run of pipework that is no longer in use or a pipe that has become isolated from the regular flow of water. This contamination can lead to problems within the rest of the water system and should be avoided.
How long should a dead leg be plumbing?
‘Dead legs’ WRAS guidelines state that the length of any dead leg should be limited to two times the pipe’s diameter. Water cannot circulate in a dead leg, so if the dead leg is much longer than that, it could be a breeding ground for Legionella. If you are unsure, consult a professional plumber.
What is passive dead leg?
How long can a dead leg be plumbing?
WRAS guidelines state that the length of any dead leg should be limited to two times the pipe’s diameter. Water cannot circulate in a dead leg, so if the dead leg is much longer than that, it could be a breeding ground for Legionella. If you are unsure, consult a professional plumber.
