Online at: https://www.intuitbillpay.com/deanzawater (must have invoice number)
or by telephone: 408-371-5521
or setup automatic monthly payments: ACH Form, Auto Credit Card Form. Please print out the authorization form, which must be signed and either faxed back to us at (408) 371-7909 or mailed to: De Anza Water Conditioning, Inc. 355 E. McGlincy Ln., Suite F Campbell, CA 95008