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Watlow Invoice Payment Methods

Please select one of the following payment options:

Online / Credit Card

Watlow provides customers with four easy ways to pay an open invoice. Please select your payment method below.

Online / Credit Card


U.S. Mail

36785 Treasury Center
Chicago, IL 60694-6700

Overnight / Express Courier

Harris Trust and Savings Bank
Attn: Remmittance Processing Division, 7th floor
Lockbox 36785
311 West Monroe
Chicago, IL 60606