Superior Radiant Heater GR-40

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Superior Radiant Heater GR-40

SRP's residential garage heater provides comfort for your garage and workshop all year round and eliminates condensation that can damage your tools.

Series GR high-efficiency infrared heater comes pre-assembled for an easy installation right out of the box. The leading-edge infrared radiant tube heater design keeps your garage floor, tools, and equipment cozy and dry, especially during harsh winter months.

30,000 to 45,000 BTU/h

Aluminized (HT) radiant tube

Direct spark ignition

CSA approved for outdoor use

Thermal efficiencies above 82%

Balanced flue construction - one wall opening, maximum safety, minimum installation cost

Natural Gas and LPG

Approved to residential standards - AGA Reg. 7-89, CAN/CGA 2.5-M86

Thermostat and gas flex connector included

Preassembled construction - no loose parts, simplified installation.

Self-diagnostic ignition module

Vertical venting kit optional


Residential garages

Workshops/man caves

Commercial storage units

The Weiss-Johnson Advantage is our ability to go above and beyond for our customers. When you choose Weiss-Johnson as your home comfort specialists you get the wealth of knowledge we have earned as a company for over 40+ years. It's not a surprise Weiss-Johnson is Edmonton's 1st Choice for all Heating, Air Conditioning and Plumbing needs.

Ready to go 24/7/365

Weiss-Johnson is Edmonton's 1st Choice for all your Heating, Air Conditioning and Plumbing needs.

Our certified technicians are available 24/7 year round to ensure that you can get help whenever that may be. Our team is committed to total customer satisfaction no matter what time of day it is.

What Our Customers Say About Us

"The guys were very friendly. They took lots of care and attention when removing the old furnace and replacing it with the new one to not damage anything along the way. Once finished they took the time to explain the operation and go through any questions we had. I would definitely use them again."

- Kyle J.


"This review is for Noel who came to my home to see why our electric air cleaner was not working. He was punctual and super friendly. Found the problem within 15 minutes. Had the part ordered, and 9 days later it literally only took him 3 minutes to replace it for us!"

- Joy H.


"Booking an appointment for a furnace checkup was a very quick and simple phone call. The technician was on time as promised, very knowledgeable and professional. It gave us piece of mind that our 10 year old furnace was in good working order."

- Nicolas L.