Oil 4 Less® LLC
3 Monroe Pkwy #P-321,
Lake Oswego OR 97035
Robert Baer, owner

High Voltage Zener
from Oil 4 Less® LLC



Every Codatron® high voltage shunt regulator is custom programmed or coded to the desired voltage, from "raw stock", allowing average delivery in fourteen business days after receipt of an order.

We ship our regulators to anywhere in the world via FedEx or DHL, and usually pay for shipping.


  • Designed and calibrated specialized test equipment for internal use.
  • Develop devices that push the envelope.
  • Program or code "raw" Codatron® units to customer custom voltages.
  • Design, develop custom "zero" temperature coefficient Codatron®
    regulators for Sandia National Laboratories (Sales 2006),
  • Meet or exceed RoHS, and REACH requirements even before suggested regulations.

We give back to our community:

  • City Gates Ministries, Olympia WA with furniture and food.
  • Value Village, Lacey WA with books, software, computer parts, TVs, and electronics.
  • Susila Dharma, 4216 Howard Rd, Beltsville MD with cash donations for their Endowment Fund.