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Topic # 240974 4-Oct-2018 19:04
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The ajax valve for our hot water cylinder is leaking water out of a orifice beside the pressure adjusting screw. See photo.

 

Click to see full size

 

Can this fault be fixed or does the valve need to be replaced?

 

Thanks in advance





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3343 posts

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  Reply # 2101700 4-Oct-2018 19:19
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Replace diaphragm in valve or whole new valve.







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  Reply # 2101785 4-Oct-2018 20:41
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Thanks. 

 

I think I'll go the diaphragm route depending on price of that against a completely new valve.

 

It is a Nefa valve, you could probably tell from the photo. I see you can buy a service kit, a diaphragm assembly or just the diaphragm. Which do you think is the best option? I was hoping to do it insitu. Is the diaphragm assembly the bottom half including the black housing?





Sony Xperia X running Sailfish OS. https://sailfishos.org The true independent open source mobile OS 
Samsung Galaxy Tab S3
Nokia N1
Dell Inspiron 14z i5


 
 
 
 


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  Reply # 2103460 8-Oct-2018 17:10
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There are no "ajax" valves.

 

There are Nefa or Apex.




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  Reply # 2103526 8-Oct-2018 19:41
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Aredwood: Replace diaphragm in valve or whole new valve.

 

Replaced the diaphragm and the jumper washer. $20 worth of parts. Took me about an hour from rounding up my tools to turning the water back on. As a bonus there was enough room to do it insitu, so no fluffing around with hemp.





Sony Xperia X running Sailfish OS. https://sailfishos.org The true independent open source mobile OS 
Samsung Galaxy Tab S3
Nokia N1
Dell Inspiron 14z i5


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