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Contact Us

Please fill out the form below and one of our support representatives will reach out as soon as possible.

Williamson-Thermoflo® Support Services

Call 800-736-2378 and select from the following call options to reach a department specialist
Call Hours: Monday – Friday 7:30am to 4:30pm CST

CONSUMER / HOMEOWNER SUPPORT

(OPTION 1)

Direct Phone: (800) 736-2378

Hours: Monday-Friday 7:30am-4:30pm CST

CONSUMER SERVICE SUPPORT

(OPTION 2) – For Distributors / Contractors

Direct Phone: (800) 736-2378

Hours: Monday-Friday 7:30am-4:30pm CST

TECHNICAL SUPPORT – HYDRONICS

(OPTION 4) – For Distributors / Contractors

Direct Phone: (800) 736-2378

Hours: Monday-Friday 7:30am-4:30pm CST

TECHNICAL SUPPORT – FORCED AIR

(OPTION 5) – For Distributors / Contractors

Direct Phone: (800) 736-2378

Hours: Monday-Friday 7:30am-4:30pm CST

WARRANTY CALL CENTER

(OPTION 3) – For Distributors / Contractors

Direct Phone: (888) 821-0124

Hours: Monday-Friday 7am-5pm CST

Email: wt.warranty@williamson-thermoflo.com

Purchase Information

If you are a heating contractor, please call your local wholesale distributor for pricing and availability

Locate a DistributoR

Main Office

N93W14635 Whittaker Way
Menomonee Falls, WI 53051

Phone: 800-736-2378

Eastern Distribution Center

Williamson-Thermoflo Pinnacle Freight Systems

500 Cedar Lane
Florence, NJ 08518