Replacement Brush Heads for Waterpik Sensonic STW-03 (series) STW-03

Find documented replacement heads for Waterpik Sensonic STW-03 (series) STW-03, including connector type, fit exclusions, specifications and manufacturer evidence.

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Exact model and connection

Identity of Waterpik Sensonic STW-03 (series) STW-03
Field	Verified catalog detail
Brand	Waterpik
Model / codes	Waterpik Sensonic STW-03 (series) STW-03 · STW-03
Connector family	Sensonic STW generation
Market record	US
Product status	not assessed

Recorded specifications

Source-supported specifications
Attribute	Recorded value
Technology Label	sonic
Integrated Water Channel	False

Replacement heads that fit

These are manufacturer-supported family-level records. Pack variants can differ by region or specification; inspect the exact part number before buying.

Documented fits
Head family	Result	Features	Evidence
Waterpik Sensonic Contour	Confirmed fit	daily cleaning	Sensonic Contour reviewed official source page · checked 2026-10-30

Heads documented as incompatible

A negative result prevents a wrong purchase. No purchase link is shown for these heads.

Documented exclusions
Head family	Result	Evidence
Waterpik Sensonic Standard	Confirmed not fit	Sensonic Standard reviewed official source page · checked 2026-10-30 Explicit exclusion of STW brushes in legacy refill descriptions.
Waterpik Sensonic Compact	Confirmed not fit	Sensonic Standard reviewed official source page · checked 2026-10-30 Explicit exclusion of STW brushes in legacy refill descriptions.

What if a head is missing?

Missing pairs are Unknown, not confirmed incompatible. Check the manufacturer’s current package fit list for your exact model and region.

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How to use this result

Confirm the model code printed on your handle.
Open a fitting head to check its pack part numbers and bristle information.
Check the retail package against your region and model before purchase.

Search the recorded replacement on Amazon

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Waterpik Sensonic Contour

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

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Search this head on Amazon

Found a wrong model or part number? Report a fit error.

Sources and scope

Sensonic Contour · manufacturer; web full text; retrieved 2026-10-30
Sensonic Standard · manufacturer; web full text; retrieved 2026-10-30
Sensonic Compact · manufacturer; web search excerpt; retrieved 2026-10-30