ToxicBunny
Oi! Leave me out of this...
The secret is to install a whole house water regulator system e.g. a Cobra Masterbox House Water Station or a Kwikot Mono Box House Water Station. http://www.kwikot.co.za/Products/Pressure%20Control%20Valves/Mono%20Box.php
The units - which are relatively inexpensive - are installed (normally on an outside wall) on the municipal water mains into the house, i.e. as close as possible to where the municipal water pipe enters your property. Mine is installed on my boundary wall.
Doing this results in the entire house having a fixed water pressure and has a number of benefits e.g. you can flush the toilet whilst having a shower. Appliances also work optimally.
And, having a strainer, it also prevents water-borne impurities from destroying appliances.
NB: It cannot fix under-pressure households !
Completely aware of these little babies, and I will be installing one myself in the not too distant future.