Waterpik Sonic-Fusion 2.0 Professional SF-04

Waterpik Sonic-Fusion 2.0 Professional SF-04

By Waterpik · Electric Toothbrushes · Health & Lifestyle · More from Waterpik

  • 10 water pressure settings
  • 16 oz (473 ml) removable reservoir
  • 2 brush speeds and 3 modes (brush, floss, brush + floss)
  • Battery run time up to 56 minutes, about 2 weeks between charges
  • 36-month limited warranty

Lowest price seen
$159.99
from $159.99 at Costco · Checked Oct 13, 2026

Prices are snapshots. Check the current price with the store.

Summary

An all-in-one sonic toothbrush with a water flosser built into the brush handle, for someone who wants brushing and flossing from a single cordless device on the counter. The flosser only runs while the base is plugged in and the battery is not user-replaceable, so check your outlet and counter space before buying.

Strengths

  • Combines sonic brushing and water flossing in one cordless handle.
  • Runs quietly for a water flosser, closer to a normal sonic brush.
  • Plaque-disclosing tests matched leading brush brands when brushing alone.
  • No subscription or consumable lock-in beyond brush heads.
  • The 3-year limited warranty is longer than the 2-year norm for powered brushes.
  • Accepted by the American Dental Association for safety and effectiveness.

Weaknesses

  • Measured battery life is 44 minutes on high speed, below the 56-minute claim.
  • The flosser is not portable; only the brush handle works off the base.
  • Brush + Floss mode is messy and takes practice to master.
  • No pressure sensor, which is now common on premium brushes.
  • The battery is not user-replaceable and Waterpik does not guarantee parts or repairs.
  • Replacement brush heads cost about $12.50 each.

Verified specifications

ModelSF-04 (Sonic-Fusion 2.0 Professional); the white-and-chrome version is SF-04CD010-1.
Cleaning modes3 — Brush, Floss and Brush + Floss.
Brush speeds2 (high and low) at 31,000 strokes per minute.
Water pressure10 settings from 10 to 100 PSI (0.689 to 6.895 bar).
Reservoir473 ml (16 oz), removable, for 60+ seconds of flossing time.
Flow rate444 ml (15 oz) per minute, with 1,400 pulses per minute.
Timer2-minute brushing timer with a 30-second pacer.
Batteryrechargeable lithium-ion rated up to 56 minutes; not user-replaceable.
Powerglobal 100–240 VAC, 50/60 Hz, with a 52-inch cord; the flosser needs mains power.
Brush heads2 included — one full-size (SFFB-2EW) and one compact (SFRB-2EW) — with covers and a magnetic holder.
Dimensions10.88 in tall (27.64 cm); 5.25 in wide (13.34 cm); 6.00 in deep (15.24 cm).
Weight1.62 lbs (0.735 kg).
In the boxthe unit, 2 flossing brush heads with covers, a travel case and the magnetic brush head holder.
Warranty3-year (36-month) limited warranty.
No pressure sensor.
Full research notes and sources

Battery life and charging

Waterpik rates the battery at up to 56 minutes of run time. Electric Teeth measured 44 minutes on the high-speed setting (about 11 days of use) and 114 minutes on low (about 4 weeks), so the headline figure looks reachable only at low speed. There is no spare to swap: recharging takes the handle out of service, and the battery is not a user part.

What it’s like to use

The three modes are Brush, Floss and Brush + Floss. Electric Teeth measured 66 seconds of flossing at the highest pressure and 280 seconds at the lowest, with most users settling around settings 6–8. The combined mode is the messy one — Reviewed’s tester called it chaotic, and a consulting dentist suggested flossing first, then brushing, to keep the fluoride from the toothpaste on the teeth. The handle talks to the base wirelessly; if the link drops, you reset it by unplugging the base for a minute or holding the Floss button for 10+ seconds.

Waterpik states the unit is clinically proven up to 2X as effective as traditional brushing and flossing, a claim based on brushing for two minutes and flossing for one minute from a manufacturer-funded study.

Running costs and repairs

Brush heads should be replaced about every three months; Waterpik sells them in two-packs for about $25, or roughly $12.50 each, which is about $125 over three years. The reservoir lifts out for rinsing, and Waterpik sells replacement hoses and reservoirs. The battery is not user-replaceable, and Waterpik says it does not guarantee replacement parts, repair services or repair information for its flossers. Owner reports on Electric Teeth’s troubleshooting page describe the hose failing to click into the handle, the flosser switching itself on, charger failures and brush tips snapping off; one r/fixit owner found the unit dead after eight months in storage, which points to a battery that had discharged for good.

Is it worth it?

At or under about $160 (Electric Teeth’s average selling price) it makes sense for someone who wants brushing and flossing in one cordless device. The manufacturer’s US MSRP is $199.99, and the Waterpik US store lists it at $199.99 from a $249.97 list price; the 2021 launch price was $169.99, and the Canadian page shows $265.69 CAD. At full MSRP the value is thinner: Electric Teeth’s reviewer recommends a separate brush and flosser for most people, and Best Buy’s $179.99 listing is for the non-Professional SF-03. This is for the buyer who wants one device instead of two on the counter, not the buyer who already owns a water flosser.

Which model this is

This page covers the Sonic-Fusion 2.0 Professional, model SF-04. The white-and-chrome version is SF-04CD010-1 and the black version is SF-04CD012-4; Walmart lists an SF-04W030-1. Don’t confuse it with the non-Professional Sonic-Fusion 2.0 (SF-03), which ships with one brush head and no magnetic holder, and don’t carry over the 2018 recall — that covered the first-generation SF-01 and SF-02 over a charging-base fire hazard, not this model. The Amazon listing is ASIN B0CTXC1LTR.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Buying guides for this category

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