I too have found window cleaning warehouse to be a first rate company to deal with.
I avoid the pressure pump problem by having my flow control between the pump and the van tank...the pressure switch never gets activated then....no, I retract that!...well, a little anyway...the pressure switch only cuts in when I disconnect the pole hose, it simply shuts off the pump when maximum pressure builds up, but of course the thing that causes the burn out is the constant switching on and off and pump cycling where it is cutting in and out rapidly and so on.
And having the flow control on the low pressure side eliminates this.
And people....
In moderator mode - please think carefully before you post negative comments about suppliers and the like, if you cross over into areas where libel can become an issue, then the poo can hit the fan...newspapers have a team of lawyers scanning everything written...all the forum has is a couple of us mods...so please take care...
Steve has defended himself well in reposte to Wizcleans allegations, but allegations of such a nature on a forum such as this can possibly have a real effect on someone's business in the real world and I am quite sure that Mike doesn't want to be dragged into anything of a legal nature!
Ian