[Frank pole]

I`ve noticed that the shurflo pump on one of my vans is pulsing, I also remember reading that a few of you had the same problem! - can anyone tell me how to fix this problem?

[kris martin]

i had this the other day...

[NWH]

Could be air or a leak somewhere.

[Frank pole]

Its not an air leak as I`ve taken it out the van and tested it in the workshop - 1 meter of hose on the inlet & 1meter of hose on the outlet - I wonder if the pressure setting is to low ( the allen key on top of pump )

[L.J.Thorpe]

I`ve noticed that the shurflo pump on one of my vans is pulsing, I also remember reading that a few of you had the same problem! - can anyone tell me how to fix this problem?

when you say "pulsing" do you mean when flow is off or when floww is on
if its when flow is off this is cycling and is caused by a leak of water somewhere in system so pressure drops and pump takes up "slack" if its intermittent flow problem then adjust vari/check pressure switch depending on setup

[Frank pole]

Its when the pump is on

[NWH]

Connection alright is it.

[Frank pole]

its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?

[L.J.Thorpe]

dont know about flowmaster
a badly set up varistream does the same thing tho

[NWH]

its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?

Now you`ve said that i`ve had the same problem and it was the reason i changed to a varistream,it ended up blowing up 3 fuses and 2 flow controllers,i think it`s the voltage or amp of the pump that`s not compatible with the controller.

[[GQC] Tim]

its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?

Charge your battery properly. Could be another thing to check.

[NWH]

For the last reason i suggested shurflo have now changed there pumps to run with the varistream because it was giving these problems.

[Frank pole]

If I find it is the flowmaster causing the probs then I might even go back to the diverter valve setup as I has no problems with that setup! its since ive been using controllers that Im getting all these problems - Im on my 5th controller in 3 years!

[NWH]

Can`t you just by pass the flow master and then you`ll know.

[Frank pole]

yes I will be testing the pump on its own in the morning - I know its not the battery its giving a reading of 13.1 volts!

[adixon]

had this problem twice myself changed pressure switch on the pump and now works fine bought a couple as spares and then found out all you need to change is a small part in the switch that costs about 50p will be buying some of them

[john tomkins]

If you need the pressure switch remove it from the pump , then just go to Maplins and match it to their microswitch which is just over £1.

[Frank pole]

good idea - cheap as chips!