Express Water promotional codes, October 2026

4 working codes · 70% average savings

Sitewide

15% OFF

Express Water is offering 15% off your order at checkout. Confirm qualifying items at checkout.

Est. ~$23 on $150

Deal

Up to 30% OFF

Get up to 30% off select RO Systems from Express Water. Confirm qualifying items at checkout.

Est. ~$45 on $150

Refer A Friend

10% OFF

Refer a friend and receive a 10% discount on your next purchase at Express Water!

Est. ~$15 on $150

Newsletter Signup

10% OFF

Sign up for the newsletter to enjoy 10% off your first purchase at Express Water!

Est. ~$15 on $150