Nozzles size

Dwelltech

New member
A friend just gave me a Mossmatic 21 inch sc, there are no nozzles in it. I'm wondering what size nozzles I should get for it. I have another and the nozzles say 1505 on them.
thought if I have two might try a different size. 25,40? Maybe less aggressive? I have seen charts but....

machine is 5.6 gpm 3500psi.
 
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I have a 21" mosmatic, and run about the same size machine. 1503's is what mine has.


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I'm replacing the 1503s in one as it has developed a vibration, when I removed the nozzles one seems obviously smaller in the orifice, maybe that's the cause? Or ones larger? Either way.The other one I want to try another size since there's nothing there now.
 
I'm replacing the 1503s in one as it has developed a vibration, when I removed the nozzles one seems obviously smaller in the orifice, maybe that's the cause? Or ones larger? Either way.The other one I want to try another size since there's nothing there now.
Yeah that would cause a vibration, not to mention reduce your flow and wreak havoc on your unloader. (if one is substantially smaller) Go with 2503's for 3500, 25035's (or 15035 your preference) for 2800 psi. 2504's for 2200 psi.
 
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