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Question DetailsAsked on 3/11/2015

How much should it cost to replace a grinder pump?

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Assuming you mean an in-house (single unit, not apartment building) mascerating or grinding lift pump, which pumps sewage from basement up to main level sewer pipes because of a low elevation house or high water levels in the public sewers, here is a prior similar question which should help -

If you mean a septic system lift pump because you have to pump uphill to the septic tank or from the septic tank to the leach field, skip the low-end of the estimated costs - you are likely talking in the $1000+ range typically for a replacement, because these are higher volume units and exposed to much rougher service than a normal basement unit, so heavier duty and more corrosion resistant and hence more expensive. Probably around $1000 for not more than about 6-8 foot lift, on up from there to probably $2000 range for up to say up to 50 foot lift OR for a duplex. Apartment building ones can run into the $2-5,000 range depending on number of units served.

Note these are for replacement pump with grinder unit - if only the motor or the grinder half of the unit needs replacement then maybe 60-70% as much, and if a new unit then much higher for initial installation because of the need to dig and construct the pit and plumb to it.

Answered 5 years ago by LCD


. LPS is a low pressure sewer system which is very different from a lift pump. A low pressure pump inside of the outdoor basin , it will have an alarm box usually attached to you home and near the basin. The pumps are designed specifically for LPS (required by area). Pump only, will set you back about $3,500- 5000 plus or minus. In any event they're very expensive and on average they have a mean time of about 10 years. If you own a grinder pump, start saving because there are no other options available.

Answered 4 years ago by jerryfly67

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