Multi-material connector allows PVC, CPVC, polypropylene or stainless steel connection directly to the appliance without adapters.
DIRECT VENTING UP TO 100 FEET
Offers five venting options for tremendous installation flexibility. It permits direct-vent air intake, and exhaust runs up to 100 equivalent feet.
INNOVATIVE FIRE TUBE HEAT EXCHANGER
The Braided fire tube has been specially engineered with a unique design for efficient heat transfer.
The Noble combi boiler operates so silently that you often have to look at the display screen to see if it’s running.
ADVANCED NEGATIVE REGULATION TECHNOLOGY
Safely and reliably operates with supply gas pressure as low as 4 inches water column. Its negative regulation (neg/reg) technology eliminates mechanical dampers as it automatically adjusts fan speed to ensure the correct volume and mix of fuel and air throughout the firing range.
WATER CONNECTIONS FOR EASY INSTALLATION
NPT water connections make installation easy, especially with our optional installation valves.
Lower Your Energy Bills
The ENERGY STAR ® qualified Noble combi boiler delivers 95% efficiency, which means 95 cents out of every energy dollar gets converted into dependable hot water and comfortable space heating
Endless Hot Water
The Noble combi boiler delivers 4.8 gallons of hot water per minute*—the highest capacity in the combi market— so users can run multiple fixtures at the same time.
*199 Model - See specs for delivery by model
Plain English Display
The unit display on the Noble combi boiler is user friendly and text based. It walks you through setup and maintenance in plain English, not codes.
Images are for illustrative purposes only
Another Tennessee Original
Some things are too important to be imported. The Noble™ combi boiler from Lochinvar is raising the bar in combi innovation—and it’s designed, engineered and assembled right here in the USA.