To purchase for resale from Nor-Cal Products, Inc dba Pfeiffer Vacuum Valves & Engineering, we must have a completed federal W-9 form attached to your account. Please download and fill out the W-9 Resale Form, scan, and email it back to

After the completed form has been added to your customer record, one of our customer service specialists will contact you.

W-9 Resale Form

Contact us at 1-800-824-4166 if you have any questions or need assistance.

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