# InSinkErator Evolution Septic Guard: specs and price

**Price (US):** Not published (Official InSinkErator product page lists no price. Model is widely advertised at ~$359 US MSRP (Ferguson, Abt, SupplyHouse, Home Depot, and this catalog's existing Septic Assist note), but every retailer page returned HTTP 403 / robot-challenge to the fetcher, so no page showing the price verbatim could be fetched. priceUsd left null per provenance rule (null beats an unsourced number).), as of 2026-07-10.
**Brand:** InSinkErator
**Deskmark:** Bronze Deskmark — pay-blind category standing 27/100, #9 of 16 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | InSinkErator |
| Horsepower hp | — |
| Feed type | continuous |
| Grind stages | 3 |
| Sound insulation | Yes |
| Motor type | induction |
| Septic safe | Yes |
| Warranty years | 9 |
| RPM | 1725 |

## Where it stands

On the spec sheet, its RPM of 1725 is the lowest of the 16, its grind stages of 3 is above the median of the 11, and its warranty years of 9 is above the median of the 16.

## Frequently asked questions

**How much does the InSinkErator Evolution Septic Guard cost?**

The InSinkErator Evolution Septic Guard has no published US price as of 2026-07-10.

**What are the InSinkErator Evolution Septic Guard's key specs?**

InSinkErator Evolution Septic Guard (InSinkErator): feed type continuous, grind stages 3, sound insulation Yes, motor type induction, septic safe Yes. Full sourced spec sheet verified 2026-07-10.

Source: https://www.insinkerator.com/en-us/shop/insinkerator/insinkerator-septicguard (insinkerator.com, accessed 2026-07-10)
Corroboration: https://www.homedepot.com/p/InSinkErator-Evolution-Septic-Guard-Advanced-Series-3-4-HP-Continuous-Feed-Garbage-Disposal-with-Boost-Injection-System-Evolution-Septic-Guard/332548640 (accessed 2026-07-10)
Canonical: https://frontdeskreview.com/product/garbage-disposals/insinkerator-evolution-septic-guard/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl