3 Locations To Serve You Better

West: (416) 298-6874

East: (416) 298-6874


(416) 298-6874





The ENERGY STAR rated NRC83, Noritz’s ecoTOUGH Series of gas fired residential condensing tankless water heaters, is designed for smaller homes and multi-family dwellings. It is available in both indoor (the two-pipe, direct vent NRC83-DV) and outdoor (NRC83-OD) models, the new wall mounted units have an energy factor (EF) of 0.92 for natural gas and 0.94 with liquid propane – approximately 30 points higher than a standard, strage tank-type, gas-fired water heater.

New improvements:
Precision Combustion Control – More precise burner control, especially during low-fire demand. New intelligent freeze protection software – Improved freeze protection from extreme cold weather. No internal neutralizer – Removed from the unit to help prevent failures from a frozen neutralizer.

Home SizeSouthern climate: 2 bathrooms
Northern climate: 1 bathroom
Indoor Unit Dimensions24.2” (H) x 18.3” (W) x 9.4” (D)
Outdoor Unit Dimensions24.2” (H) x 18.3” (W) x 9.4” (D)
Weight58 lbs.
Gas Consumption
(NG & LP)
Max: 157,000 btuh
Min: 16,000 btuh
Capacity Range0.5-8.3 Gal./min.
Energy Factor0.92 (NG) 0.94 (LP)
Thermal Efficiency93%
Temperature Settings100-140°F (in 5°F intervals) (9 options)
AccessoriesRemote Controller & Cord, Anchoring Screws

We Service the Following Areas

What Our Customers Say

"I just want to say how much I appreciated the prompt service yesterday. Joseph the technician was wonderful. He knew his trade well and he was so polite and pleasant. He did a terrific job, was very thorough and left the furnace and humidifier working in good order. Thanks again."

— Margaret, Scarborough


Memberships & Associations

Licenses & Insurance

Master Heating License, Refrigeration License, Gas Fitters License, $5 M Liability Insurance, Workers Compensation. All employees are Bonded.

Payments Accepted

We accept cash, cheque, & all major credit cards