Sun Sun HW302 Impeller
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Old 04-06-2013, 03:59 PM   #1
roycny
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Sun Sun HW302 Impeller


I cleaned my canister yesterday and it started making noise. I took the impeller out and I can't remember if it has a plastic tip at the back?

Mine looks like this:


I checked online for parts, and this one has a plastic tip at the back.



TIA
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Old 04-06-2013, 04:07 PM   #2
Sugardaddy1979
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It's probably stuck in the hole down there. Check with a flash light.
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Old 04-06-2013, 04:31 PM   #3
infamouz23
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Quote:
Originally Posted by Sugardaddy1979 View Post
It's probably stuck in the hole down there. Check with a flash light.
Yeah when I cleaned my Aquatop 300, I took the impeller out clean it and replaced it. It made this awful noise until I realized the the rubber piece fell off and was inside the impeller cavity on the filter.
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Old 04-06-2013, 04:49 PM   #4
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i have a sun sun 304b and have had the same problem with that. the white plastic stick put that in the hole befre the motor. make sure the stick is down tight but dont break it. also u might want to clean the motor and around where its placed with a q tip, what i do. could be real dirty around there. once that area clean put ur motor down all the way, put your cap on properly. you should be ok. one thing i noticed about my sun sun mabe you see it with urs. when you turn it off for cleaning some times water has a hard time going through the canister properly like it spits or something. i just press the big blue syphon button down and release it quick a couple times and NP hope it helps
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Old 07-07-2013, 02:10 PM   #5
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Just curious, can this filter's flow be throttled back? Amazon has them for $27.00 right now, and for that price its a no-brainer. But im looking to use on a 5 gallon tank. If i can't slow it down, my tank would be looking like a blender.
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Old 07-07-2013, 02:28 PM   #6
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install a ball valve on the outflow , this allows you to control the flow
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Old 07-07-2013, 02:43 PM   #7
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Quote:
Originally Posted by andygold View Post
Just curious, can this filter's flow be throttled back? Amazon has them for $27.00 right now, and for that price its a no-brainer. But im looking to use on a 5 gallon tank. If i can't slow it down, my tank would be looking like a blender.
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install a ball valve on the outflow , this allows you to control the flow
Sorry to hijack! Should have said that in my previous post!!!

So there is no built-in throttle?

Wouldn't putting a valve in-line damage the motor? I would figure that it would cause the motor to have to slow down its spin speed due to the blockage in the output line. I'm guessing it would hurt a direct drive type motor, but I'm unsure how it would affect a magnetic impeller type drive. Any thoughts?

Last edited by andygold; 07-07-2013 at 04:16 PM.. Reason: spelling
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Old 07-07-2013, 03:02 PM   #8
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From my understanding the risk comes when u put a valve on the intake. The pump has to work extra hard to pull in the same amount of water. But putting on the valve after the pump via the outflow shouldn't effect it. I have a ball valve on my sun/sun 304b and it works just fine
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Old 07-07-2013, 04:21 PM   #9
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Quote:
Originally Posted by tattooedfool83 View Post
From my understanding the risk comes when u put a valve on the intake. The pump has to work extra hard to pull in the same amount of water. But putting on the valve after the pump via the outflow shouldn't effect it. I have a ball valve on my sun/sun 304b and it works just fine
Thank for the prompt reply. Any thoughts as to whether putting the ball valve on the output causes the filter to pressurized its container? I'm hoping it won't blow up.
And can you possibly provide make and model or any info on the particular ball valve you used, as I'm guessing it's not something I'll be able to get from a typical hardware store due to weird hose sizes.
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Old 07-07-2013, 04:40 PM   #10
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Quote:
Originally Posted by andygold View Post
Thank for the prompt reply. Any thoughts as to whether putting the ball valve on the output causes the filter to pressurized its container? I'm hoping it won't blow up.
And can you possibly provide make and model or any info on the particular ball valve you used, as I'm guessing it's not something I'll be able to get from a typical hardware store due to weird hose sizes.
These are not pressure pumps so you don't have to worry about that. You can get the parts from a hardware store or kensfish or other aquarium supply sites have parts too. You buy a valve then buy some hose barbs then glue or screw them together. You can use a lighter or boiling water to stretch hoses a bit.
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Old 07-07-2013, 05:21 PM   #11
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I went to lowes and got a ball valve with the red handle and made sure it was the diameter of the PVC I was using. One thing was made a DIY spray bare the length of my tank And I poorly planned this as the PVC and stock tubing for the filter were two different diameters so I had to install a reducer But everything was bought at Home Depot or lowes. Very simple to do and honestly my tank would probally be good without the valve as I haven't even been using it
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