Viessmann 7133 387 Vitotronic Switching Module V
EDP 690217
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Vendor Viessmann
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SKU 7133387
Product Description
Includes 10 foot Cable
Expands the capabilities of Vitotronic 200 and Vitotronic 300 by
Allowing remote burner enable and disable
Provoding for additional heat demand such as pool, spa, snowmelt, etc.
Use with an external contact or Telephone Interface Module to remotely change heating/operating mode of the heating circuit
