Model 630AModel 115AModel 330AModel 105AModel 5G
Replacement Part

Sonozaire Model Step-Down Transformer (330A/630A)

★★★★★ 4.9 · verified pro reviews
$127.05 USD
In stock — ships in 2–3 business days
No chemicals, pennies to run — see what it costs to run ›

Genuine Sonozaire part. Part #TSD2-350VA. Fits: 330A, 630A.

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1-year factory warranty · 30-day returns on unused units · Secure checkout

Ships from Texas
1-yr warranty
🇺🇸 Made in USA
Expert support
See how operators use the Step-Down Transformer (330A/630A) in the field ›

Professional shock-treatment equipment — unoccupied spaces only

Treat the empty space, then ventilate; ozone decays back to oxygen before anyone re-enters. Operate within OSHA/EPA guidance. See the Safety & MSDS page for full instructions.

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