Water woes

[WynandJean]

Am I right in thinking that if I disconnect the pipe to the water pump and there is water in the tank, it should flow out of the tube? My pump does not seem to be receiving water.

 Wyn

 

[donkey]

What sort of pump?
Where is the pump located?
Would not expect water to run uphill to the pump, it relies on suction, normally.

Geoff

 

[pappajohn]

As long as the tank water level is higher than the open end of the hose then yes, it will flow

 

[WynandJean]

I'ts a Whale Wastemaster (NOT pumping waste though!!!) and Baily mount them under the floor of the van.

 Wyn

As long as the tank water level is higher than the open end of the hose then yes, it will flow

Hmm, what might might stop the water flowing I wonder?

Wyn

 

[Spriddler]

As said, water won't flow uphill.
Can you hear the pump running? Listen from underneath if necessary.

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[Landy Andy]

Could it be the diaphragm in the pump isn’t working. Hear the pump but it won’t do anything?

Take the supply pipe off the pump and give it a suck and see if any water there. Would be my plan.

 

[autorouter]

Something inside the tank, blocking the water exit into the tube? Try blowing down the pipe, it should be easy to blow air down into the tank. It should be just a plain section of pipe. There isn't normally a non-return valve on that section of pipe. But I suppose anything is possible. Maybe the pipe is kinked.

Is there water in the tank? The freezing weather over winter may have pushed joints apart or split the pipe, so there's no suction to pull the water to the pump.