148A

Self-operated thermostatic valve head for radiator system

  • Lock function
  • Temperature limit
  • Proportional scale 0-5
  • Antifreeze position 8 degrees

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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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