Max Input : 150,000 – 199,900BTU/H
Navien’s Condensing Combi Gas Boiler/Water Heater is equipped with dual stainless steel heat exchangers, making it efficient and economical. The Combi offers a low cost PVC venting solution for faster, simplified installations. PVC is durable and easy to assemble. Installers and contractors will also appreciate the Combi’s ability to vent up to 100 feet with a maximum of six elbows*
*Each elbow deduct 5’ off of venting length
Navien’s Condensing Combi Gas Boiler/Water Heaters are the ideal solution for customers who need both domestic hot water and a space heating application. Unlike conventional boilers, Navien’s Combi Gas Boiler/Water Haters heat water only when needed, making it environmentally sound as well as cost efficient.
Stainless steel for the Combi’s integrated primary and secondary heat exchangers prevents corrosion and ensures a longer lifespan over copper heat exchangers. Stainless steel components also maintain consistency, even during long periods of use, and aid in efficiency by caputuring as much condensation as possible.
High grade stainless steel burner uses pre-mixed air and gas ratio providing a 10% to 100% firing rate. The Eco-Pre mixed Burner generates at least 20% less CO2 and about 75% less harmful air pollutants such as NOX than other conventional water heaters.
Navien’s Gas-Air Ratio Control(GARC) System highly advance control system modulates both the air and gas ratios required for optimal combustion. The ingenious built-in CO monitoring system will shut the Combi unit down in the event of excessive CO gases build up that can cause a hazardous condition.
The Combi’s ASA Control System maintains a consistent, comfortable temperature throughout the home at all times even taking into account the home’s design and outside temperature.
The secret to system involves a built-in thermostat which senses even the slightest temperature changes. The Combi’s space – heating application calculates the amount of heat required based on the difference between the return-water temperature and the indoor temperature, then automatically adjusts and controls the temperature accordingly.
An outdoor sensor can be connected to Navien’s Condensing Combi Water Heater. With this device the unit can automatically regulate the heating temperature according to changes in the temperature outdoors, allowing for precise indoor heat regardless of the weather
Automatic Water Fill Valve
Navien's Condensing Combi Water Heater automatically fills water into space heating pipes
when the unit senses a water shortage.
The Combi's built-in Control System is designed to keep the unit's plumbing front free in
Remote Control System