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Originally Posted by Ignoramus24108
After I bought that 137 Zoeller sump pump, I decided to call Zoeller.
I asked them how long should they last before being serviced.
The rep's response surprised me, he said that they want them serviced
every 5-7 years.
Now, that does not sound like a long time to me!
Also, they said that the impeller is made of cast iron. Would not such
impellers rust?
Any thoughts?
i
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The Zoeller 137 per the manufactures selection guide states….
”Durable cast construction. Cast switch case, motor and pump housing, base and impeller. No sheet metal parts to rust or corrode….”
Its primary use is for septic tanks which are part of waste/ effluent system. Cast iron is a proven product for drainage, waste and storm drain systems.
Model 139 is all bronze construction
Here are some …
Stainless Steel Automatic Sewage Pumps by Ebara