Peristaltic Chemical Metering Pump - Stenner vs Chem-tech ?

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Old 05-28-20, 02:43 PM
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Peristaltic Chemical Metering Pump - Stenner vs Chem-tech ?

Hi,

I have a Stenner pump for my chlorination system. The little tube leaks too quickly (< year) and it's loud (clicking). I'm considering replacing with a Chem-tech as I'm told these may be quieter (basement TV is right by it).

Thoughts on this? Loudness and tube leakage?

Thanks!
 
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Old 05-28-20, 03:52 PM
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I've had both for my current chlorine injection systems.

Prior house had Stenner, and for the 6 years we lived there no issues.

This house for some reason I started with Chem Tech and after 8 years I switched back to Stenner.

Chlorine, even diluted, is very corrosive to rubber products, the Chem Tech parts (diaphragms), even the good materials would just get eaten alive.

After several expensive sets of replacement parts I sold the pump and went back to Stenner. The tubes are cheaper than the diaphragm and check valve but agree it's a little more noise!

PS, I get about a year's use per tube!
 
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Old 06-01-20, 10:15 AM
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Thank you! May I ask where you get your tube replacements and what instructions you follow to change them?

Also - our chlorine holding tank has a layer of crud on the bottom. Do you clean yours out every so often? And if so, how? Take it outside and clean it, or somehow clean it in place?

The screen on the tube that pulls from the tank seems to clog as well.

Thanks!
 
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Old 06-01-20, 11:25 AM
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The tubes I just buy from eBay or Amazon whoever is cheapest when needed.

So a lesson I recently learned, when refilling your solution tank, use conditioned water! In the past I used raw water and that has made a huge difference in how clean the solution tank is now.

I used to clean it once/twice a year, just running it dry and taking outside, but I haven't had to do that in the last couple years so it was worth the time to add a new line and valve!
 
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Old 06-02-20, 09:41 AM
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Thanks!

So for conditioned water - are you referring to running it after the water softener? I have to see how it's hooked up now!
 
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Old 06-02-20, 10:48 AM
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Yes, after all the treatments!
 
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Old 06-02-20, 10:59 AM
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Ok thanks! I just looked and it is after the entire chlorination process / carbon filter but just before the water softener.
 
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Old 06-02-20, 11:57 AM
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The water softener provides a significant contribution to water quality, your solution tank cleanliness will improve if the source is moved past it!
 
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Old 06-06-20, 09:59 AM
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Hi again - if you're reading this. Have you ever had to change the transmission plate (index plate?)? How difficult is it to do?

Thanks!
 
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