Be careful using the HW heater rinse out wand. 2 weeks ago I used one and evidently had the pressure on the water faucet too high. Blew the wand right off the shut off valve that was screwed on the hose. Seems as though that was a one time connection because the wand would snap right back on but would also blow right back off when I turned the water back on. I felt lucky that the wand didnt shoot off the valve while it was in the heater. I think it could be pretty difficult to fish that out of the heater if it went all the way in. Bottom line is "learn from my mistake, keep the pressure low when using the HW heater rinse out wand."