Time to replace your nozzles!

[Semi-retired]

I had changed my tips (laserwash 4000) with nozzle kit 105140 currently running 1200 psi HP and 225 psi LP both patterns are not good at all.
I was also looking for direction, I did notice most of the tips are 15040 which looks to be to narrow with no over lap.

Any idea what tip size is popular or that you have found to work?

I come to this site quite often for info and hope to have more input to the site for others when I get a little smarter. LOL!
Thanks

 

[RockyMountain]

When tips get old, do they allow more water to pass? We all of a sudden can't keep enough water feeding the automatic holding tank. Also, what about applying chemical with soft water, but rinsing with hard water? Thanks for any replies!

 

[Stuart]

When tips get old, do they allow more water to pass? We all of a sudden can't keep enough water feeding the automatic holding tank. Also, what about applying chemical with soft water, but rinsing with hard water? Thanks for any replies!

Rocky Mountain-happen to be a Casper Trooper -11th Cavalry?
Yes , as tips get older with use the orifice wears out and allows more to pass through - water and chemicals.

I do not believe it would be to a point of depleting your tank. Might need to look at the valve feeding the tank to be sure it is opening fully. I have diaphragm valves which I replace the diaphragm each year so this will not happen.
If the valve is ok, starting at the tank work backwards on the feed line to look for an obstruction or other (a filter clogging, a valve which may have been bumped partly closed).

Problem could even go all the way back to the softeners.
I wash with soft water and HP rinse with hard and then SFR. Soft water will get you a better wash for the customer and with soft water -heated hopefully- you may also be able to turn the concentrate of chemical down. A better wash with less chemical is always good. Hope this helps

 

[RockyMountain]

I appreciate the response! This all started when we installed 2 new Navien water heaters. There simply wasn't enough pressure to make them function to capacity. So we installed a Grundfos bootser pump. All worked well for a while, but on busy days when the auto and self serve bays are busy, the water pressure drops so much that we can't keep enough water in the automatic tanks, or the self serve tanks. I even had the softeners serviced and changed the media to make sure there was minimal pressure loss there. We checked the backflow device and it functions normally. We rinse the auto with hard water. I am at a loss...

Our city water pressure coming in is only at 35 psi. Isn't that a bit low?? And when a few functions come on, it drops to 5-10 psi, which is even difficult on the booster pump. What about rinsing the self serve with hard water? Thanks again!

 

[MEP001]

Rinsing with hard water won't make any difference if you're just not getting enough flow from the street. Is that where the pressure drops to 5-10 PSI?

 

[RockyMountain]

I thought rinsing with hard water would bypass the softeners, which would increase pressure slightly... That doesn't sound like a solution though.

And yes, the incoming city water pressure drops to 7 PSI. Is that possibly normal? Apparently with our old boiler and tank, I never noticed this. But with these on demand heaters, this has become a big issue.

 

[Stuart]

"Our city water pressure coming in is only at 35 psi. Isn't that a bit low?? And when a few functions come on, it drops to 5-10 psi, which is even difficult on the booster pump. What about rinsing the self serve with hard water?"

Rocky Mountain
I think 35psi is low static pressure from the city. Does the City back up this pressure or do they state something differently?
I run a 2" line and incoming is at 55#, down to 40# with 5 ss , 1 IBA , and RO running at the same time.
I run hard rinse to iba & ss bays.
I change the iba nozzles 4 times a year and the ss 2 times a year.

What size line is coming into the wash?
What size of water heater did the 2 Navien heaters replace and what was plumbing size and gpm for each?

 

[MEP001]

I thought rinsing with hard water would bypass the softeners, which would increase pressure slightly... That doesn't sound like a solution though.

It's unlikely to have much affect if the softeners aren't the problem.

And yes, the incoming city water pressure drops to 7 PSI. Is that possibly normal? Apparently with our old boiler and tank, I never noticed this. But with these on demand heaters, this has become a big issue.

I'd contact the city. That's not normal.

 

[Mr. Clean]

I can attest to the Hypro ceramic nozzles. I actually won a set for an IBA a few years ago and haven't changed them since. They work great! SS got changed annually.
MC

 

[RockyMountain]

"Our city water pressure coming in is only at 35 psi. Isn't that a bit low?? And when a few functions come on, it drops to 5-10 psi, which is even difficult on the booster pump. What about rinsing the self serve with hard water?"

Rocky Mountain
I think 35psi is low static pressure from the city. Does the City back up this pressure or do they state something differently?
I run a 2" line and incoming is at 55#, down to 40# with 5 ss , 1 IBA , and RO running at the same time.
I run hard rinse to iba & ss bays.
I change the iba nozzles 4 times a year and the ss 2 times a year.

What size line is coming into the wash?
What size of water heater did the 2 Navien heaters replace and what was plumbing size and gpm for each?

The city states that there is 37-38 PSI in our area. We have a 1 & 1/2 inch line coming in. But we do cut it down to a 1 inch line after the backflow device. We had a 30 year old 800,000+ btu raypak boiler and holding tank serving the self serve bays.

The mechanical company installed a grundfos pump that boosts water pressure 50 psi. They put a pressure regulator in front of it so pressure would not get to high. So we now dial pressure down to 25-30 PSI and let the pump boost it to 75-80 PSI. I do believe that this has restricted flow though. So I am now considering my options as to how to remedy this unfortunate situation...

 

[RockyMountain]

Rocky Mountain-happen to be a Casper Trooper -11th Cavalry?

Nice! We do enjoy supporting the Troopers and watching them when we can!

 

[MEP001]

The city states that there is 37-38 PSI in our area. We have a 1 & 1/2 inch line coming in. But we do cut it down to a 1 inch line after the backflow device. We had a 30 year old 800,000+ btu raypak boiler and holding tank serving the self serve bays.

The mechanical company installed a grundfos pump that boosts water pressure 50 psi. They put a pressure regulator in front of it so pressure would not get to high. So we now dial pressure down to 25-30 PSI and let the pump boost it to 75-80 PSI. I do believe that this has restricted flow though. So I am now considering my options as to how to remedy this unfortunate situation...

Are these static pressures or measured during use? Static pressure is meaningless when you're trying to find the source of a restriction in flow.

 

[Stuart]

Nice! We do enjoy supporting the Troopers and watching them when we can!

Old Drum Corps nut here from Midwest



How many ss bays and automatics do you have?
Might install a pressure gauge at the inlet and outlet of the backflow preventer and see if there is a drop there when busy.
Is the pump before or after the backflow?


I would say do away with the regulator and work off a pressure switch as the "regulator" and see what you get.
You can have good pressure however if you do not have the volume to back it up when things get busy , you may get a situation like this.

The regulator can restrict flow whether it is in the front or back side of the pump. If you have to have the regulator, put it on the outlet side of the pump for best results at peak business . You do not want to restrict water volume to the pump inlet with the regulator. (you will damage an expensive pump)

BTW how's the water heaters working out ?