DETA

ASME Potable Water Expansion Tanks

  • ASME Section VIII Construction
  • Fixed Butyl Bladder (FDA approved)
  • Bladder Integrity Monitor
  • Precharged to 40 psi (field adjustable)
  • Complies with NSF/ANSI Standard 61

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific DETA

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA