Do you have to earth a radiator after using push fits?

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19 Sep 2006
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Manchester
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I have recently replaced the old metal radiator valves with new push fit ones. Have I gone and broken the Earth connection?(':oops:')If so will I have to bridge the push fit valves to connect the radiator back up with the pipes or can I miss out the radiator and just connect the copper pipes to each other under the floor boards??

Any advice would help!

Bob
 
as long as the pipes leading in and out of the bathroom are bonded you are fine since the only way that radiator can pick up a potential is through the pipes connecting to it.
 
And if the rad is else where in the house.....it is of no concern at all.....unless it is in a shower room, sauna, swim pool etc!
 
You probably can't rely on the push-fit join to give you a good electrical connection, so you will have to extend the bonding to the radiator as well, using one of these:

TLEZB100.JPG
 
plugwash said:
as long as the pipes leading in and out of the bathroom are bonded you are fine since the only way that radiator can pick up a potential is through the pipes connecting to it.

And the water in the system, which does not provide isolation over short distances.
 
But when complying to bs7671, water is not considered.........

A section of copper pipe/rad etc supplied by plastic, or insulated by a plastic joint can be ignored as long as the transition happens inside the bathroom etc.
 
I look forward to seeing what the bonding requirements are in the new edition....
 
sure but as long as the pipes are bonded they pipes will in turn bond the water.

as i understand it the point of equipotential bonding is to stop dangerous potentials entering or leaving a zone (house in the case of main bonding, room in the case of supplementry bonding). Bonded pipes will achive that just fine even if the accessories conected to them are not bonded.
 

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