Re: Home expansion tank - water hammers

Clark W. Griswold, Jr. wrote:
> 
> Speedy Jim <[EMAIL PROTECTED]> wrote:
> 
> >If you have a specific appliance causing hammer, put a hammer arrestor
> >as close to the appliance as possible.  To be effective, the device
> >must be near the origin of the shock wave.
> >http://www.watts-intelliflow.com/hammer5.htm
> 
> I have a dishwasher that hammers hard. Opening the wall behind the sink to
> install another absorber is not an option. Does anyone know if there are screw
> on absorbers for this kind of application?
> 
> One thing I haven't tried yet is to drain the lines in case the one in the wall
> is saturated....

The link I gave shows various models.
If you can't access the supply piping at all, you could insert a TEE
in the line right at the dishwasher solenoid valve.

It's also possible that the dishwasher valve is failing;
hammer is characteristic of old valves.  Replacement isn't
that difficult.

Jim