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Designed for delivering exceptional hot water performance, our new NCC199CDV Pro line brings even more features and benefits to our most popular commercial tankless. This includes improved efficiency, built-in display, Bluetooth® connectivity, and more — making our flagship commercial tankless the first choice for businesses looking for faster, reliable hot water delivery.
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All NCC199CDV Pro models now come with a new control panel upgrade, featuring a larger display that gives homeowners and contractors more visibility of heater updates and functions.
The NCC199CDV Pro offers an improved UEF rating of 0.98, making it even more efficient than previous models by generating less harmful emissions into the environment.
An industry-leading 10 year warranty comes standard with our CDV Pro model, bringing you peace of mind when it comes to your business's hot water.
Natural Gas (NG) is the default gas type, but if liquid propane (LP) is preferred all units come with a gas conversion kit that helps to easily update the gas type.
See how a commercial condensing tankless water heater stacks up against a conventional storage tank system in real-world commercial applications.
| Commercial Tankless | Storage Tank System | |
| Energy Efficiency | Up to 0.98 UEF / 98% thermal efficiency | 0.58–0.70 UEF / 56–68% thermal efficiency |
| Hot Water Supply | Unlimited on-demand; never runs out | Limited by tank capacity (typically 100–500 gal) |
| Space Requirements | Wall-mounted; up to 80% smaller footprint | Large floor-standing tanks; dedicated boiler room needed |
| Standby Heat Loss | Near zero — heats only when demanded | Constant heat loss 24/7 to maintain tank temperature |
| Operating Cost | 20–40% lower annual energy costs | Higher fuel bills due to continuous standby operation |
| Lifespan | 20+ years with proper maintenance | 8–12 years average service life |
| Flow Rate (Commercial) | Up to 11 GPM per unit; easily cascaded | Recovery rate varies; demand spikes cause shortfalls |
| Installation | Flexible venting; indoor or outdoor mount | Complex flue, pressure relief, and drain requirements |
| Maintenance | Annual descaling; minimal downtime | Sediment buildup; anode rod replacement; more downtime |
| Environmental Impact | Lower NOx emissions; SCAQMD compliant | Higher emissions; may not meet stricter regional codes |
"My customer concluded this type of innovative system was a little more where the industry is headed, especially from the standpoint of efficiency and ease of installation. As complex as it might look, it's a pretty simple system — and so was their decision to go with it."