An Otter Tail Company

Contractor resources

Special tools to help you serve our common customers

Wiring diagrams for controlled service (pdf)
  Generic controlled service systems
  Brayden model 9212-1999 series 3 demand controllers
  Dencor TEI 808/812 and TSP S2 demand controllers
  SC 808/812 demand controllers

Wiring and installation diagrams for underfloor thermal storage (pdf)
  8 to12 hours of control - floating slab
  8 to 14 hours of control
  14 to 20 hours of control

Workshops for continuing education
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  View current workshop schedule.

Helpful tools
  Fuel conversion chart