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- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Modulating Combustion up to 11:1
- Small zone valve systems may not require an additional pump or a low loss header
- Easy service access and quick component connections
- Easy service access and quick component connections
- Small zone valve systems may not require an additional pump or a low loss header
- Wi-Fi on board for remote control and monitoring
- Models up to 96% AFUE
- Integrated ECM pump and DHW diverter valve on all models
- Space-saving, state-of-the-art tankless design
- High-resolution color LCD interface
- Stainless Steel condensing heat exchanger
- Integrated freeze protection
- Space-saving, state-of-the-art tankless design
- Ultra-efficient with UEF ratings up to 0.96
- High-resolution color LCD interface
- Industry-leading 22:1 turn down ratio
- Stainless Steel condensing heat exchanger
- Integrated freeze protection
- Space-saving, state-of-the-art tankless design
- Ultra efficient condensing technology with UEF up to 0.95
- Top water connections for easy tank replacement
- Models up to 96% AFUE
- Modulating Combustion up to 11:1
- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Small zone valve systems may not require an additional pump or a low loss header
Top product
John Wood JWT-540H-N Tankless Water Heater Custom Pricing Available
Turnkey installation- Condensing technology provides 0.95 energy factor
- Primary heat exchanger is constructed of commercial-grade copper which is more resilient against erosion
- Secondary heat exchanger is made of type 316L stainless steel to protect against corrosion
- Electronic ignition without pilot light
- Factory installed power cord
- Multi-link up to 20-units (540 models) with a multi-unit controller
- Internal freeze protection system
- ENERGY STAR® qualified
- Now with built-in low water cut off functionality
- Intermittent electronic ignition with standard components for easy servicing
- 84% AFUE
- Gas fired water boiler with cast iron sections
- Natural draft and direct exhaust capability
- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Modulating Combustion up to 11:1
- Small zone valve systems may not require an additional pump or a low loss header
- Easy service access and quick component connections
- NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
- The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
- 1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
- The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
- Compact design saves valuable living space
- Gas fired water boiler with cast iron sections
- Can be used with natural or propane gas
- No vertical draft hood and no mechanical vent damper
- Natural draft and direct exhaust capability
- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Modulating Combustion up to 11:1
- Small zone valve systems may not require an additional pump or a low loss header
- Easy service access and quick component connections
- NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
- The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
- 1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
- The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
- No vertical draft hood and no mechanical vent damper
- Natural draft and direct exhaust capability
- Intermittent electronic ignition with standard components for easy servicing
- Gas fired water boiler with cast iron sections
- 84% AFUE
- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Modulating Combustion up to 11:1
- Small zone valve systems may not require an additional pump or a low loss header
- Easy service access and quick component connections
- Ultra condensing efficiency
- Field convertible gas system
- Low NOx emissions (20ppm)
- SCH 40, 2" venting up to 75'
- Dual stainless steel heat exchangers
- Cascading capable
- EZNav multi-line control panel
- Built-in HotButton control panel
- Common vent up to 12 units
- Can be used with natural or propane gas
- Compact design saves valuable living space
- Intermittent electronic ignition with standard components for easy servicing
- Gas fired water boiler with cast iron sections
- Now with built-in low water cut off functionality
- Wi-Fi on board for remote control and monitoring
- Integrated ECM pump and DHW diverter valve on all models
- Modulating Combustion up to 11:1
- Small zone valve systems may not require an additional pump or a low loss header
- Easy service access and quick component connections
Get the Hvac equipment in just a few steps
Reach out to us to place an order for an appliance. Our team will guide you in selecting the optimal model that will meet all your requirements.
Once you've placed your order, one of our technicians will arrange a site inspection to go over all the details with you.
We will bring the unit to your home and install it carefully and precisely to ensure it performs at its best.
Your appliance comes with a warranty, and once it expires, we offer post-warranty services to help with maintenance.
Reviews about us
Jul 08, 2026Great job, fast service, thank you!
Francis did a phenomenal HVAC work!
Serviced Areas
Choose your location
Ajax- Ancaster
- Aurora
- Barrie
- Belleville
- Bolton
- Bowmanville
- Bradford
- Brampton
- Brantford
- Burlington
- Caledon
- Cambridge
- Chatham
- Clarington
- Elgin County
- Etobicoke
- Fort Erie
- Georgetown
- Georgina
- Grimsby
- Guelph
- Haldimand
- Halton Hills
- Kawartha Lakes
- Kingston
- Kitchener
- Lasalle
- London
- Markham
- Milton
- Mississauga
- New Tecumseth
- Newmarket
- Niagara Falls
- North York
- Oakville
- Orangeville
- Oshawa
- Peterborough
- Pickering
- Port Colborne
- Richmond Hill
- Sarnia
- Scarborough
- St. Catharines
- St. Thomas
- Stratford
- Tillsonburg
- Toronto
- Orillia
- Quinte West
- Uxbridge
- Vaughan
- Waterloo
- Wasaga Beach
- Welland
- Whitby
- Whitchurch-Stouffville
- Windsor
- Woodstock
- Waterdown
- Hamilton
- Innisfil
- Brighton
- Brockville
- Cobourg
- Haldimand County
- Napanee
- Trenton
- Port Hope
- Cornwall
- Ottawa
- Nepean
- Stittsville
- Gloucester
- Kanata
- Orleans
- Vanier
- Barrhaven
- Montreal
- Laval
- Longueuil
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