Hi Allan Thanks for the info, I've been looking at the pump, so I'll also take pics of that and (try to) do as you suggest.
Adrian > Hi Adrian, > > BEFORE you spend money on replacement parts (PRV etc), I have it on good > authority that the "Pressure ON/OFF" switch on the water pump itself, is > often the culprit. If the pressure switch on the pump itself fails, you will > have the same fault conditions as the PRV is doing its job by opening up due > to excess pressure in the domestic system. > > This is my bet. I am pretty sure this is your problem! > > An easy way to check this - > > Remove the outlet pipe from the water pump > feeding your domestic system. The fitting on this usually has a "Slide" lock > holding the special connection of the pipe to the pump. This is slid in an > upwards direction - sometimes a bit tricky, especially if you have not come > across this before. > > SUGGESTION: > Check the pump make > Check the diameter of the outlet water pipe (15mm or 22mm?) > Go to a chandlery shop > Look at a new pump (Same make), to see what you have to do > Purchase (Or scrounge) a small length of 15mm or 22mm pipe to suit your > pump. > Purchase a stop end fitting > Purchase a replacement fitting for your pump outlet. > > Then put the stop end pipe on the outlet of your existing pump. > When this has been done, switch on you pump. This should switch off almost > immediately. If it doesn't, or if the pump slowly slows down because of the > excess pressure on the outlet side, (Pump working too hard), you know what > the problem is. (Pump pressure switch, not PRV). > > Now, I haven't had this happen to me personally, so I don't know if an > electrical pump pressure switch can be a "Do It Yourself" job. > > If you want further information on this, Email Kathy, at Stone Boatbuilding > Chandlery shop. She is very knowledgeable and most helpful. > > Kathy's Email address is: ### [email protected] <kartus2%40aol.com> ### > > I hope this info. helps. > > Regards, ~Allan~ > > > -- Adrian [Non-text portions of this message have been removed] ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/canals-list/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/canals-list/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
