pumptec 205

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Dec 10, 2017
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Erich Allred
#1
I was wondering how big of flow wand can I go with this pump. Thanks.
 

Jimsteam

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Apr 19, 2009
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#4
1/3 HP motor .125 offset cam @ 1 GPM
Pumptec has all this info
 

Odin

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Mar 26, 2014
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terje brevik
#5
10 flow 5 jet wand 500 psi no problem
 

goomer

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Feb 16, 2009
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#8
I'm using a 12 flow wand with the 205 pump, am doing any damage?
I wouldn't think your necessarily doing any damage, but you are running it pretty hard.

How long have you been running it like that?
 

Jim Davisson

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Aug 23, 2016
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#10
Since you are on the upper end of throughput, you are moving the most water per piston stroke with the big jets. You are running on the lower end pressure wise with the wand keyed (not a bad thing IMO) and the pump labors less with less shock or hammering overall. If you have an unloader vs. a just pressure regulator you should get the standard service interval or better from those valves.
 

Jim Davisson

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#11
You will find you can move more water through the system at lower system pressure with the right setup. I know that is contrary to popular belief, but it makes a difference in results.
 
Dec 10, 2017
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Erich Allred
#12
Since you are on the upper end of throughput, you are moving the most water per piston stroke with the big jets. You are running on the lower end pressure wise with the wand keyed (not a bad thing IMO) and the pump labors less with less shock or hammering overall. If you have an unloader vs. a just pressure regulator you should get the standard service interval or better from those valves.
I was hoping that I am on the right track with my etm. You might not know it Jim but you are writing a "How to build an ETM right the first time" bible for some of us. Thank you for your constant input on this forum. You are saving me thousands of dollars in mistakes.
 

Jimsteam

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#14
Since you are on the upper end of throughput, you are moving the most water per piston stroke with the big jets. You are running on the lower end pressure wise with the wand keyed (not a bad thing IMO) and the pump labors less with less shock or hammering overall. If you have an unloader vs. a just pressure regulator you should get the standard service interval or better from those valves.
Bigger jets - more flow - less PSI thats how I use my 205V.
Great for flushing.
 

goomer

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#15
Since you are on the upper end of throughput, you are moving the most water per piston stroke with the big jets. You are running on the lower end pressure wise with the wand keyed (not a bad thing IMO) and the pump labors less with less shock or hammering overall. If you have an unloader vs. a just pressure regulator you should get the standard service interval or better from those valves.

Makes sense.....maintaining higher psi under open flow requires maintaining a relative level of resistance downstream.

Bigger jets mean less resistance/back pressure within the active system when keyed.

Almost acts like a buffer to the shocks of banging away at high psi's with lower flows.

Kinda like "over-clocking" your pump.


Great tweak for anyone with the equipment, technique, and the proficiency to effectively recovering enough of what you are putting out, which is an important key to it.