dielectric valves

Joined
10 Nov 2009
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Hi guys,

i just purchase an electric water heater adn i think there is 2 parts missing!!

on the parts list it lists them a dielectric valves. im asuming they are used to connect the expansion vessel and the pressure relief valve to the copper pipe. am i correct as i cant see any other way of connecting them to the copper.

does anyone know where i can find a picture of them and also where would i be able to buy them from on a sunday

many thanx
 
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They are to do with insulating the water vessel ( which may be a coated steel one) from the pipework __ and providing a shut off valve . So an ordinary valve would only do half a job ;) . I`d ask in the electrics forum ..it`ll need wiring in too, anyways. Ariston would know why there should be a dielectric in the pipework and what happens if there isn`t :idea:
 
the dielectric junctions go on the inlet and outlet of the heater to prevent an electrolytic reaction according to the MI's.
From memory they are just straight plastic connections not valves. Like female threaded couplings.Are you sure you didn't get them?
 
anode cathode, oops sorry i didnt realise this was a fantasy thread :oops:
 
So is the water non conductive
No .It forms the electrolyte in which the dissimilar metals can create a cell. Not dissimilar to the electrical impulses in the brain cell while creating fantasies :rolleyes:
 

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