Consistency in features and benefits across the KNIGHT Fire Tube Boiler family makes it easier to install and service no matter what model you choose.


6 Models from 55,000 to 285,000 Btu/hr

95% AFUE

Up to 10:1 Turndown Ratio

ECM Variable Speed Boiler Pump

Features SMART SYSTEM™ Operating Control and CON·X·US® Remote Connect Capable

Noble is easy to install, set up and service, and promises to deliver the lasting reliability and serviceability the industry has come to expect from a Lochinvar boiler.

• 4 Models from 80,000 to 199,000 Btu/Hr

• 95% AFUE

• 10:1 Turndown Ratio

• Universal Vent Connector

• Features SMART CONTROL™ Operating Control

High efficiency Condensing Heating boilers.

Navien keeps raising the bar higher and higher in fire tube boiler innovations

We totally reinvented fire tube technology from the ground up and we continue to advance our boiler technology to a higher level with the new NFB-H boiler series.

• Patented stainless steel fire tube heat exchanger—reduces high stress point welds
• Advanced user interface with intuitive text display and Quick Dial Wheel for easy navigation
• Smart controls with Setup Wizard to simplify boiler start up
• Built-in 3 zone pumps or 3 zone valves powered connections
• Optional NaviLink Wi-Fi remote control
• Common venting up to 8 boilers
• Cascading up to 16 boilers
• Up to 15:1 turndown ratio
• AFUE 95.0%—Energy Star certified
• Compact, light weight, wall hung design saves space over traditional floor standing boilers

New NFC-H highest heating and DHW performance ever built into one compact combi-boiler
 
Navien innovation, durability and proved fire tube technology has done it again. The new NFC-H has more heating and DHW capacities for today’s larger progressive homes. Navien continues to reinvent smarter ways to bring high efficiency home comfort to your customers. Also Navien continues to make installation and set-up easier for contractors.

Navien takes high efficiency fire tube combi technology
to new heights

• Highest DHW maximum BTU’s in residential combi-boilers...
up to 210,000 per hour *
• Highest DHW flow rate @ 70°F rise...
up to 5.4 GPM
• Highest residential combi DHW TDR... 15:1 for all models
• Highest residential combi heating
TDR... up to 15:1
• Highest full lineup 2" PVC venting lengths... up to 65 feet
• Highest number of built-in zone controls for valves or pumps... up to three
• Highest number of cascade capable
units with NPE tankless water heaters... up to 15
• High altitude certification... up to 10,100 feet (NG or LP)
• Lowest minimum fire BTU/H (13,300) for whole house** residential combi-boilers.

 *Based on NFC-250/200H.
**Whole house refers to combi-boilers that offer at least 150,000 BTU/H for DHW.

Navien NPE-A2 simply a smarter hot water system for today's life styles

NPE-180A2 high efficiency Condensing Tankless Water Heater

• ½ gas pipe capable up to 24'
• Field convertible gas system
• Ultra condensing efficiency
• Dual stainless steel heat exchangers
• Low NOx emissions (20ppm)
• SCH 40, 2" venting up to 75'
• Cascading capable
• EZNav multi-line control panel
• Built-in HotButton control panel
• Common vent up to 12 units

Durability, Affordability and Designed to Fit

Bryant's compact, gas-fired hot water boiler combines a cast-iron heat exchanger and titanium composite burners for radiant heating comfort you can depend on. With 84% AFUE efficiency, it's an improvement upon an older model you may be replacing.

AFUE Efficiency : Up to 84%

Features

• Up to 84% AFUE
• Cast iron heat exchanger
• Gas-fired models
• Integrated boiler control
• Titanium composite burners
• Swing burner door
• 10-year parts limited warranty and a 20-year parts limited warranty on heat exchanger section1

1 To the original owner, the Bryant BW boiler is covered by a 10-year parts limited warranty and a 20-year parts limited warranty on the heat exchanger section. Ask your Bryant dealer about optional extended warranties, which may include labor. See warranty certificate at bryant.com for complete details.

Economical and Reliable Radiant Heat Value

Provides traditional gas-fired, steam output, cast iron reliability plus an up to 82.7%  AFUE rating for superior energy efficiency. You'll enjoy a higher level of whole-home comfort plus lower utility bills.

AFUE Efficiency : Up to 82.7%

Features

• Up to 82.7% AFUE
• Cast iron heat exchanger
• Gas-fired models
• Water or steam models
• Standard standing pilot or optional electronic ignition
• Electric vent damper
• Stainless steel/titanium alloy composite burners
• Compact design
• 5-year parts limited warranty and a 12-year parts limited warranty on heat exchanger section1
1 To the original owner, the Bryant BW9A boiler is covered by a 5-year parts limited warranty and a 15-year parts limited warranty on the heat exchanger section. Ask your Bryant dealer about optional extended warranties, which may include labor. See warranty certificate at bryant.com for complete details.