I just looked at them at the hardware store, Pat. I think it's removable.
But I'm going to call them tomorrow to make sure.
It's a Rheem "Performance".
Scott
On Sep 13, 2015 2:47 PM, "Pat Horne" <pat@hornesystemstx.com> wrote:
> The part you show is just half the valve, the rest is the seat the shown
> part seals against. I can't imagine that it is not removable.
> If the rest of the valve is not removable you will not be able to add your
> ball valve. What brand is the heater?
>
> Peace,
> Pat
>
> -----Original Message-----
> From: Shop-talk [mailto:shop-talk-bounces@autox.team.net] On Behalf Of
> Scott
> Hall
> Sent: Sunday, September 13, 2015 9:13 AM
> To: Shop-talk@autox.team.net
> Subject: [Shop-talk] Water heater drain help
>
> Guys,
>
> Got new water heater for house. Want to replace existing drain arrangement
> with ball valve for better draining.
>
> The fitting into the tank I think is probably not replaceable. But I could
> replace the plastic plug and screw a fitting/ball valve into it. It looks
> like this:
>
> http://imgur.com/wn4DPQg
>
> But I'm not sure what that thread is. It's not NPT--it seems to be about
> twice as coarse as NPT.
>
> I tried a 1/2" NPT spigot iftting I has here and it screws in, but it looks
> like it might be cutting its own threads into the fitting on the tank,
> which
> I think is Bad.
>
> Anyone familiar with what that thread might be?
>
> The plug's plastic so it won't rust, but it looks like it's just asking to
> have those tiny holes clogs, or for the whole plastic plug to embrittle and
> break. A nice ball valve with a big handle on it would be preferable.
>
> Scott
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