Thank you for choosing GEMCO® and our BEST® water heaters.

We are pleased to let you know that all of our water heaters are now gathered under the same and unique brand, Giant Factories Inc.

Proudly Canadian

A family business since 1945, Giant Factories Inc. is the only water heater manufacturer operating in Canada.

Our company has two factories equipped with state-of-the-art machinery and more than 300 dedicated and passionate employees.

Its continuous improvement processes guarantee constant innovation and quality products at a competitive price.

You are looking to replace your BEST® water heater?

Find out more about our GIANT models here.

You have questions regarding your current BEST® water heater?

Find below the GEMCO® manuals and troubleshooting guides.

Documents

Gemco manuals

Residential Electric Water Heater

(Point of use, Standard, Cascade, Super Cascade)

GI-IM017 (54000028)

Residential Atmospheric Vent Gas-Fired Water Heater

GI-IM016 (54000009)

Residential Electric Water Heater

(Power Vent PV1)

GI-IM025 (54000030)

Residential Power Direct Vent Gas-Fired Water Heater

(PDV2)

GI-IM027 (54000030)

Gemco troubleshooting guides

Residential Electric Water Heater

(Point of use, Standard, Cascade, Super Cascade)

Point of use, Standard, Cascade, Super Cascade

Residential Atmospheric Vent Gas-Fired Water Heater

Atmospheric Vent, Power Vent, Power Direct Vent
For more information concerning GEMCO documents, please refer to the Giant website at www.giantinc.com/en
Please contact us with any of your questions, concerns or inquiries.

Usines Giant Factories Inc.

40 Avenue Lesage

Montreal-Est

Quebec, Canada H1B 5H3

Phone

514-645-8893

Toll Free

1-800-363-9354

General Fax

514-640-0969

Customer Service Fax

514-645-8413