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Nathan Knollenberg

VP/GM - Americas

Zip Water

Manufacturer

Original Join Date: 2026

Other Association Memberships

ASID, NKBA, AIA

7508 Wisconsin Avenue 4th Floor
Bethesda, MD 20814
United States

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Membership & Account Access

Is Your Company a Member?

If you are an employee of a DPHA member company, we invite you to set up an online account to:

Access the full Member Directories
Register for Events such as Webinars and Conference
View & Pay Invoices
Access our Connections Newsletter
And so much more!

If your company is not a member, but you are creating an account to register for an open event, this is where you do it!

Create an Account

Applying for Membership?

The DPHA provides an opportunity to make connections with dealers, manufacturers, and representatives within the decorative plumbing, hardware, and home fixture industry. We offer a gathering place and a platform of shared interests and look forward to welcoming you to the DPHA family.

All membership applications for DPHA must be approved by the Membership Committee before membership benefits are effective.

View Membership Information