[des]

Does any one know were i can get some info on a lavor wash boiler .Mine is not cutting in when it should .It will cut in if you keep your finger on thr trigger but if you remove you finger then it goes cold Any info please .many thanks Des

[Mike Halliday]

isn't that what its supposed to do?

only fire up when there is flow passing through the boiler and turn off when you let go of the trigger

if the flow is not enough it will not operate the flow switch, I find if i use a small jet on my handtool it doesn't have enough flow to fire up the burner.

so might be a problem with your flow switch, if this is the case then alter it from a vertical position to a slight angle.

what exactly is happening?

[des]

Sorry i have not explained myself properly. The flow rate is already set quite high and when i pull the trigger and then let it go when im doing the dry strokes the boiler will not light up .If i take the wand out side and pull the trigger and hold it then after a few second's the boiler lights up and heat's the water up.So it will only heat the water if the water is continuous .If i was to release the trigger on the wand the boiler cuts out and you can not get hot water Des

[Mike Halliday]

I think it will be the flow switch which is not kicking in quick enough which is causing a delay on firing up.

does your flow switch  control power to your fuel pump? it might be that this is on its way out so its not kicking in quick enough.

not a lot can be diagnosed on a forum but its a simple problem any pressure washing company will be able to sort it out not just one familiar with lavorwash