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Posted by poison_1024 on November 9, 2008, 7:03 pm
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> >I have developed a very small drip. =A0The expansion tank appears to be
> > fine and the pressure on the gauge is at an appropriate level. =A0It
> > seems these things are not the longest lasting devices. =A0This is a
> > WGO-3 model with the PRV at the upper left corner. =A0Can anyone give m=
> > some pointers on how to replace this?
> > 1) Shut off the unit and water input
> > 2) Reduce the pressure inside the boiler (how can I do this manually?)
> > 3) Unscrew the PRV and replace it (any particular sealant needed or
> > just regular pipe dope?)
> > 4) Turn on water source and turn unit back on. =A0(Do I have to purge
> > any air on this or is that done automatically?)
> > Thanks for your help.
> 1 yes
> 2 open the drain valve
> 3 pipe dope or Teflon tape
> 4 purge if you can but minimal water should be lost
Hi thanks for your reply. A few more newbie questions. 1) Where is
the drain. Unless it's hidden I do not see it. 2) In terms of
purging the system how exactly do you do that? Thanks.
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> fine and the pressure on the gauge is at an appropriate level. It
> seems these things are not the longest lasting devices. This is a
> WGO-3 model with the PRV at the upper left corner. Can anyone give me
> some pointers on how to replace this?
> 1) Shut off the unit and water input
> 2) Reduce the pressure inside the boiler (how can I do this manually?)
> 3) Unscrew the PRV and replace it (any particular sealant needed or
> just regular pipe dope?)
> 4) Turn on water source and turn unit back on. (Do I have to purge
> any air on this or is that done automatically?)
> Thanks for your help.