The water just won’t go with the flow

Canal Boat - - Back Cabin: Experts -

Q The flow from my stain­less steel tank was re­duc­ing. I re­placed the Shur­flo 11.4 lpm pump, but it ran non-stop. I also re­placed the stop valve be­cause there was very lit­tle flow there. Fi­nally, I loos­ened the joint at the tank. Noth­ing: the pump will suck a lit­tle water but there is no flow at all from the tank. Can you help please? MIKE BICKERS, via email A TONY REPLIES: If you found that very lit­tle water flowed from the tank out­let pipe when you re­placed the stop valve it means one of two things. The tank breather might be blocked: loosen the valve con­nec­tion with the filler cap re­moved to elim­i­nate that pos­si­bil­ity.

Se­condly, the tank out­let might be blocked. Hope­fully the valve has a hole through the mid­dle, so try re­mov­ing the valve out­let pipe and pok­ing rod through the valve into the tank.

The sup­ply from tank to pump should have a strainer fit­ted but this is nor­mally be­tween the stop valve and pump. If it is blocked you get low pres­sure.

Check the water tank out­let

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