Watlow Manuals & User Guides

Watlow is a global industrial technology company that uses world-class engineering expertise, advanced thermal systems, and manufacturing excellence to provide a wide array of temperature control, power control, heater technologies, and temperature sensing platforms.

Since 1922, Watlow has served diverse industries including semiconductor processing, environmental chambers, energy processes, diesel emissions, medical, and foodservice equipment. Their product line features the popular EZ-ZONE® integrated controllers, PM series PID controllers, and robust industrial heating elements designed for demanding applications.

• Where can I download Watlow user manuals?

  You can find official Watlow user guides, technical data sheets, and specification documents at the Watlow Literature Library (www.watlow.com/literature) or on the specific product pages.

• How do I contact Watlow Technical Support?

  You can reach Watlow Technical Support by emailing us.support@watlow.com or calling +1 (507) 494-5656 between 7 a.m. and 5 p.m. CST.

• What is the recommended Megohm test reading for Watlow heaters?

  For Watlow electric heaters, an insulation resistance reading of 500 megohms or higher at 500VDC is generally acceptable. Lower values may indicate moisture absorption requiring a bake-out process.

• How do I obtain a Return Material Authorization (RMA)?

  To return a product directly to Watlow, visit www.watlow.com/rma or contact Customer Service to obtain an RMA number ensuring the package matches Watlow's return policy.

• What does a Watlow EZ-ZONE PM controller do?

  The EZ-ZONE PM controller integrates PID control, over/under limit protection, and high amperage power switching options into a single panel-mount package to reduce system complexity.