Use the form below to send us a message


How to Reach Us

For technical questions, try visiting our Support Knowledgebase.

EMAIL: Please use the contact form below.

PHONE: 1-800-487-1363

  • To inquire about special pricing for resellers, installers, governments, or schools, dial extension 127.
  • To place an order (no tech questions), dial extension 127.
  • To ask questions prior to placing an order, dial extension 128.
  • For existing customer technical support, dial extension 129.
  • To reach our accounting department, dial extension 106.
  • To obtain an RMA number, dial extension 128.
  • For all other questions, dial extension 127.

FAX: 973-492-1909

MAIL: Hydra-Numatic Sales Co., Attn: DIYControls.com, 22 Park Place, P.O. Box 760, Butler, NJ 07405

Or you may use the contact form below.

*If you do not see an email response from us, please be sure to check your spam messages as it may have been diverted there.


Our Schedule

  • Our business hours are Monday through Friday, 8:00 AM - 5:00 PM Eastern Standard Time; however, we can usually respond to email inquiries on nights, weekends, and holidays*, so if you need to contact us outside of normal business hours, please do so via email. Our goal is to respond within the same business day that we receive your request
  • *Holiday Schedule: We are closed and do not ship on the following days: 1/2/2017, 2/20/2017, 4/14/2017, 5/29/2017, 7/3/2017, 7/4/2017, 9/4/2017, 11/23/2017, 11/24/2017, 12/25/2017, and 2/1/2018. If you have a question on a holiday, email us using the contact form below. We do our best to have techs available for email inquiries at all times.

Contact Form