Gradient syncFURNACE OD

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Gradient syncFURNACE OD


Furnace + Water Heater version. Made in Alberta. All service is accessible from the front of the unit, meaning zero clearance on the sides and back.

Furnace and tankless hot water heater all in one

Hassle free install in half the space

Run a bath, do the dishes, wash the dog all at the same time without running out of water

Best in-class efficiency for both furnace and water heating

Instant hot water where and when you need it with our built in recirculation technology

Only one set of venting

Tankless Water Heater Features

Stainless steel, CSA approved condensing, dual-pass water heater & burner

Built-in 1ga internal DHW storage buffer

Built-in Grundfos hot water re-circ pump for external DHW re-circ

Direct vent, modulating, natural-gas or propane burner

192,000 BTU/hr max burner input, 10:1 burner turn-down ratio

4.8 GPM output @ 77°F temperature rise

2” or 3” PVC, Polyproplyne, stainless steel venting options

Internal 150 psig pressure relief valve

Direct spark ignition system

Internal condensation trap

Furnace Features

Step modulating heating output

ECM or Variable-speed furnace blower, forward or backward curve options

Low or high-velocity versions

Compatible with conventional A/C, HRV, humidifier and filtration equipment

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.