Exterior Pressure limiting valve

[Crusty181]

I read on here somewhere the suggestion to cut the internal spring of the pressure limiting valve to increase the mains pressure. I tried it, it didn't work, and the more I cut off it the worse the pressure got. The valve is now stuffed.

I pulled the valve apart completely, more than just cracking the two halves and it was obvious that the spring is the issue, but it needs to be stretched and not cut. The more the spring forces the piston away, the better the pressure. I luckily had a spare Jayco supplied valve, which I stretched the spring and installed. Pressure is really good now. I suspect the spring may eventually return to its original size, and a few rubber tap gaskets shoved inside should remedy that. But at this point its working fine.

Its easy enough the screw open the valve without removing it from the hoses. The spring will literally just pop out. Stretch the spring out 10mm and screw it back together ..... simple 3 min fix

 

[DRW]

Where in gods name are thee located? we have really poor pressure and for the life of me I cant find the thing, cheers
I will have another look over the weekend as well

 

[Bluey]

I read on here somewhere the suggestion to cut the internal spring of the pressure limiting valve to increase the mains pressure. I tried it, it didn't work, and the more I cut off it the worse the pressure got. The valve is now stuffed.

I pulled the valve apart completely, more than just cracking the two halves and it was obvious that the spring is the issue, but it needs to be stretched and not cut. The more the spring forces the piston away, the better the pressure. I luckily had a spare Jayco supplied valve, which I stretched the spring and installed. Pressure is really good now. I suspect the spring may eventually return to its original size, and a few rubber tap gaskets shoved inside should remedy that. But at this point its working fine.

Its easy enough the screw open the valve without removing it from the hoses. The spring will literally just pop out. Stretch the spring out 10mm and screw it back together ..... simple 3 min fix

View attachment 32888 View attachment 32887

ah @crusty 181 I said stretch it u said cut I will be stretching mine soon good u got it in the end always good to have spare things

 

[Drover]

Bahahahaha, all I have read is stretch it, lucky you had a spare.....anyway with the bloody horrible pressure at most van parks on this trip I had to take the filter off line as it was restricting pressure then I pulled the valve apart and stretched the spring but it didn't do any good, so for the last couple of weeks the guts of the valve is sitting in my tool box, I gutted it and now have great pressure, though it does povided some restriction as I left the little nozzle bits in it.

 

[Crusty181]

Where in gods name are thee located? we have really poor pressure and for the life of me I cant find the thing, cheers
I will have another look over the weekend as well

Under the van and not to far from the filler. Mine directly under the filler, where the water goes thru thr floor

 

[Smirke]

Under the van and not to far from the filler. Mine directly under the filler, where the water goes thru thr floor

Mine was found hidden between other pipes and the floor of the van by the water filler bit. Luckily I had another member offer to show me where it was, as it was very well hidden! (Although it did take looking all along underneath the van to find it)

 

[Stevie No Issues]

Rather than stretching the spring I just shimmed it with an old o-ring I had laying around putting a couple more mm of pressure on it.. Worked a charm..

 

[mfexpanda]

Mines playing up too.
So I put a bypass valve in and the water pressure is great .
They will need to replace it when it goes in for its service

 

[Stevie No Issues]

The valve itself really has no parts that can fail.. It really comes down to making sure the piston is lubricated with something suitable like vas or food grease..

 

[mfexpanda]

H

ah @crusty 181 I said stretch it u said cut I will be stretching mine soon good u got it in the end always good to have spare things

ahahaha !!!

 

[Crusty181]

Rather than stretching the spring I just shimmed it with an old o-ring I had laying around putting a couple more mm of pressure on it.. Worked a charm..

I think you have the perfect solution there Steve, i suspect the stretched spring will likely want to go back to its original length

 

[Crusty181]

ah @crusty 181 I said stretch it u said cut I will be stretching mine soon good u got it in the end always good to have spare things

When you told me, you obviously didnt say it very convincingly

 

[peterg]

Don't need one, just turn the tap off a bit...

 

[Bluey]

When you told me, you obviously didnt say it very convincingly

did mine today stretched it a bit no change took spring out no real change stretched the fajesus out of it now bit better so will leave it at that see how it goes the shower is a bit better which it good :rain: best pic I could find

 

[Crusty181]

did mine today stretched it a bit no change took spring out no real change stretched the fajesus out of it now bit better so will leave it at that see how it goes the shower is a bit better which it good :rain: best pic I could find

:dance:

 

[Capt. Gadget]

Ive found poor pressure to be the biggest PITA in my Panda seems every time I take it out I find something else is reducing the pressure last time it was the filters on the Tempering valve were full of crap from the bottom of the HWS as I had just had the anode replaced, over the time I've owned it Ive had a dickky tempering valve, the Pump plumbed up wrong, a sticky pressure valve, a sticky non return valve and even crap in the little aerator thingo on the end of the kitchen sink tap.

 

[AndrewC]

Don't need one, just turn the tap off a bit...

That won't help you reduce pressure, that will only reduce flow. Pressure is a constant at any flow rate. A lot of people struggle with that concept but it is actually plumbing 101 after learning s$@t flows down hill!

 

[dagree]

Agree @AndrewC But it may be s$@t to you but it's my "Bread and Butter"

 

[chartrock]

Agree @AndrewC But it may be s$@t to you but it's my "Bread and Butter"

I'm not coming to your place for a sandwich. :fear:

 

[dagree]

I'm not coming to your place for a sandwich. :fear:

You're welcome here for a sandwich @chartrock ..... Just don't follow me to work for one ainkiller: