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Availability: Usually ships same day or next business day if after 2 PM.
Genuine Ansul OEM O-ring, part number 428327. This is the valve body O-ring for Ansul Sentry dry chemical and Cleanguard clean agent extinguishers.
Replace this O-ring any time the valve is removed from the cylinder, including during recharge, hydrostatic testing and six-year maintenance. Using the genuine OEM part keeps your service work consistent with the manufacturer's service manual.
Looking for a lower-cost option? Our #28 O-ring is a replacement for Ansul 428327.