ProLine® & ProLine® Master Atmospheric Vent
Proven technology and exceptional reliability.
Delivering innovative hot water solutions for over 70 years
© 2024 A. O. Smith Enterprises Ltd.
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Our Location
A. O. Smith Enterprises Ltd.
599 Hill Street West
Fergus, Ontario, Canada N1M 2X1
T 1.888.479.8324
F 519.787.5500
Hours of Operation
Technical Support
Monday to Friday 8:00 am to 5:00 pm EST
Warranty Validations
Monday to Sunday 8:00 am to 5:00 pm EST
Customer Service
Monday to Friday 7:00 am to 5:00 pm EST
