How can I create an easier and more valuable experience for the customer?

We pride ourselves in doing it right the first time and “going above and beyond customer expectations”. Customer satisfaction is our absolute mission and we pride ourselves on promoting quality products that we distribute in a timely manner and ensuring a long-standing relationship with our customer base. DM Supply Source is committed to deliver items and products contributing to a cleaner, more sustainable, more secure, connected, energy efficient, and productive world.

We want to provide people and organizations the tools to be even more successful. Our business is committed to providing an excellent customer experience through convenience, accuracy of orders, training, technical support, and timely delivery as well as help with product selection and retrofit applications.[..]

What makes us one of the best in the industry? Hands down, no questions asked, “Our Employees & product offering”!

We believe happy, knowledgeable employees make happy customers. Our staff are highly trained and dedicated. They have an extensive knowledge of our vast product offering in the HVAC/R industry. We understand the importance of going above and beyond customer expectations and promote the importance of family, community and our customers. DMSS offers a wide variety of product and innovation for your applications. Let us know what we can assist you with!

We offer a user-friendly and convenient website that allows “One stop shopping”. Our website is secure and offers the capability to shop day or night. A highly trained and friendly staff will respond to all inquiries in a timely manner. At DMSS, we understand the importance of our customers and strive to exceed expectations. [..]

Thank You for visiting our DM Supply Source Website!

Due to the large variety of products that we offer, parts could be subject to changes. These changes could include price increases or decreases, obsoleted, updated or discontinued items in need of direct or functional replacement. The DMSS Super Store will be subject to updates on major manufactured parts and pieces.

Not all manufactures product offering will be listed on our website. We ask that you contact us:

  • by phone (877-927-3677)
  • fax (570-227-0002)

Tasseron Sensors & Controls


Tasseron builds millions of temperature sensors in over 1000 different models annually for OEMs in various industries including boiler manufacturers, coffee makers, catering equipment, solar transportation, medical and many others. Any size, any type of material, any type of element, Tasseron can make it. Many times we realize that it's not what you want but what you need that is important. Give us a call to talk to us about what you need for your next project.

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The VZ8250 Room Controller

VZ8250 Features Product Highlights The VZ8250 Room Controller has the following high level functionality: • Low-voltage microprocessor-based Variable Air Volume (VAV) controller. • Configurable to support damper control for Pressure Independent (PI) and Pressure Dependent (PD) VAV systems. • Pre-programmed, containing all required I/O to accomplish VAV Application. • Embedded local configuration utility using the touch screen allowing for simplified configuration, sequence selection, reinitialization, setting of setpoints and control of display settings. • Accurate temperature control using a PI (Proportional-Integral) algorithm. • Integrated Changeover function. • Configurable temporary or permanent local override setpoints. • Local or remote override during unoccupied mode. • Adjustable local unoccupied heating and cooling setpoint limits, as well as maximum heating and minimum cooling limits. • Adjustable dead and proportional bands. • Remote night set back. • Door, window, wall, ceiling or motion detection. • Custom programs using Lua Scripts.

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