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REBATE INFORMATION
FREQUENTLY ASKED QUESTIONS
WHAT IS ENERGY STAR®?
HOW TO READ GSW SERIAL NUMBERS
CHOOSING THE RIGHT WATER HEATER
GAS VS. ELECTRIC

 

 

 

CONTACT US

TECHNICAL SUPPORT

For prompt technical support, please contact our technical support team by sending your inquiries to us at techsupport@hotwater.com. You can also contact us by calling 1-888-GSW-TECH (479-8324) or by fax at 519-787-5500.

LOCATION

GSW Water Heating
599 Hill Street West
Fergus, Ontario, Canada N1M 2X1
T 519.843.1610
F 519.787.5500
E gswinfo@gsw-wh.com

 

 

 

 

 

 

 


 
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