Ariston water heater

[Fallout]

Do people fit the plastic adapters on these? Have been to one where the top connections are totally rusted out. No plastic connectors fitted

 

[Fallout]

Do the plastics anti corrosion adapters they come with seal ok?

 

[terryplumb]

Yes ,fit the plastic parts. The threads need to be sealed with PTFE tape.

 

[Fallout]

Whoever fit it in the first place didn't a hence has caused this. Any tips on getting them to seal without cross threading the plastic?

 

[polesapart]

Fit them "dry" first to get a feel of how much play is there and then build up the PTFE to suit, adding more thickness as you go down the threads. May need quite a bit as both threads are parallel, not tapered.
Personally I prefer loctite thread for this.

 

[Fallout]

Thanks yes I used loctite cord. Would this be ok. Or would it be easier to cross thread

 

[polesapart]

You reduce the risk of cross-threading by using less at the beginning of the thread.
After that it's down to eye and feel!

 

[Fallout]

Do they come with rubber washers? Have just looked on city plumbing site they seem to sell the anti corrosion adapters separately

 

[Fallout]

I believe the plastic adapters have a metal thread internally that screws on to the unit. So these should be ok. I can use loctite cord and not really worry about cross threading. Is the top of these that are a male thread in plastic. And I need to connect to 2 x 1/2 female to 15mm compressions