Roborock S7
Quick answer
Roborock S7 has manufacturer-confirmed compatibility with 5-Arm Side Brush (standard), Main / Roller Brush (S7 generation), and Washable Filter (S7 generation). Compatibility with Bristle+Rubber Combo Brush (S4/S5/S6 generation) is NOT confirmed — Roborock's own support site confirms the S7 main brush is a new design not shared with the S4/S5/S6 generation.
Compatibility varies by part. Being in the same series does not mean every part is shared — check each part below individually.
Common compatibility trap:
- S7 and S7+ look similar, but 5-Arm Side Brush (standard) is compatible for S7 while it's unknown for S7+.
Main / Roller Brush (S7 generation)Compatible
Evidence (2) — verified 2026-09-14
- S7 Accessories for Xiaomi Roborock S7 MaxV S7+ S7 T7 T7S T7 Plus — Lists main brush for S7.
- Accessories Replacement Part for Roborock S7 S7 MaxV Plus S7 MaxV S7+ T7 T7 Plus — Independent listing confirming the same main brush grouping.
Washable Filter (S7 generation)Compatible
Evidence (2) — verified 2026-09-14
- S7 Accessories for Xiaomi Roborock S7 MaxV S7+ S7 T7 T7S T7 Plus — Lists filter for S7.
- Accessories Replacement Part for Roborock S7 S7 MaxV Plus S7 MaxV S7+ T7 T7 Plus — Independent listing confirming the same filter grouping.
Sonic Mop PadCompatible
Evidence (2) — verified 2026-09-14
- S7 Accessories for Xiaomi Roborock S7 MaxV S7+ S7 — Lists mop pad for S7.
- Pmosata S7 Replacement Parts for Roborock S7 MaxV Plus T7S — Independent listing confirming the same mop pad grouping.
5-Arm Side Brush (standard)Compatible
Evidence (1) — verified 2026-09-14
- Roborock-brand Side Brushes Replacement — Explicitly lists S7/S7 MaxV alongside S4-S8/Q-series/Qrevo.
Bristle+Rubber Combo Brush (S4/S5/S6 generation)Not compatible
Evidence (1) — verified 2026-09-15
- Roborock Support: Can Roborock S7 use any accessories from previous models? — "Only the side brush is interchangeable between Roborock S7 and the previous models. Other accessories, like water tank, mop bracket, dustbin, filter, main brush, and brush cover are not interchangeable." -- independently confirmed via a search-engine-indexed snapshot of the official support.roborock.com article (direct fetch returned HTTP 403 this round; the crawled snippet matches the article title and content exactly).