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ETA

ASME Pressurized Expansion Tanks

Series ETA ASME Pressurized Expansion Tanks are designed to absorb the expansion forces and control the pressure in heating and cooling systems. They are ASME Section VIII fixed bladder type precharged expansion tanks. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Available in a variety of models and sizes. Models ETA 15 through ETA 60 have a maximum pressure of 150psi (10.3 bar) and models ETA 80 through ETA 240 have a maximum pressure of 125psi (8.5 bar).

Features

  • Prevents tank corrosion and waterlogging problems
  • ASME Section VIII fixed bladder type precharged tank
  • Available in a variety of models and sizes
  • Designed to absorb the expansion forces and control the pressure in heating and cooling systems

Select a Model

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

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