Lochinvar® NOBLE® 100271734 Hot Water Combination Boiler, 95 % AFUE, 150 MBtu/hr BTU, 4.8 gal Capacity, 120 V, NPT

Lochinvar® NOBLE® Hot Water Combination Boiler, 120 V, 60 Hz, 1 ph Phase, 95 % AFUE Rating, 150 MBtu/hr, 4.8 gal Capacity, 3.6 gpm Flow Rate, 150 psi, NPT Connection, Direct Vent, Modulating Burner, Chimney/Breeching/Vent Size: 3 in, 139 mbh DOE Heating Capacity, Direct Spark Ignition System, Direct Spark Ignition, Wall Mounting, 32 to 190 deg F, 18 in H, Additional Information: 1 in Water, 1/2 in Gas, 3 in Air Connection, 110:1 Turndown Ratio

Removing the front panel provides convenient access to the combustion system, control panel and key components. This simple to install and service combi boiler is making an impact on the industry. The unique fire tube heat exchanger design is what enables NOBLE® to produce the results users deserve and have come to expect from Lochinvar.

• Multi-material connector allows either PVC, CPVC, polypropylene or stainless steel connection directly to the appliance without adapters
• NOBLE® also has a built-in combustion analyzer port
• Offers five venting options for tremendous installation flexibility
• It permits direct vent air intake and exhaust runs up to 100 equivalent feet using either PVC, CPVC, polypropylene or AL29-4C stainless steel vent pipe
• Safely and reliably operates with supply gas pressure as low as 4 in 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
• The fire tube design can produce a higher heat transfer coefficient than traditional fire tubes
• The stainless steel heat exchanger quickly transfers heat from the boiler system to the domestic water, satisfying DHW load
• NPT water connections make installation easy, especially with our optional isolation valves
• LCD display with words not codes
• Outdoor reset control with outdoor air sensor

Specifications