Universal Ultra Low NOx

Features & Benefits

• The tighter the commercial retrofit, the more you will appreciate how the Universal’s compact size and multiple water connections simplify ultra low NOx installations.
• Choose from 80% thermal efficiency models that range from 125,000 - 399,900 BTU/h and 82% thermal efficiency models that range from 199,900 - 270,000 BTU/h.
• All models have a maximum temperature setting of 180°F.

Space Saver Design

• The short heights and narrow jacket diameters, plus the top, front and rear water inlets/outlets offer the ultimate in installation flexibility.

System Sentinel^™ LED Diagnostic System

• Our exclusive diagnostic system, with glowing LED lights, verifies system operation sequence by sequence. 
  

Innovative Technology

• Universal’s proprietary steel formulation, multi-flue design, combined with two coats of porcelain enamel, results in a superior heat exchanger design.

Ultra Low NOx Burner

• The power assist burner design incorporates stainless steel multi-port burner tubes for long term ultra low NOx performance, less than 14 ng/J.
• A sight glass allows for burner observation.
• The entire design is removable and it is highly resistant to the effects of negative air pressure common in modern commercial buildings.

Base Rail Design

• Provides for better handling when moving and positioning unit.

Low Profile Automatic Flue Damper

• Low profile damper minimizes overall product height.
• Heavy duty vent hood supports are designed to withstand the rigors of installation.

Full-port, Full-flow Drain Valve

• Factory installed brass drain valve allows for faster draining and servicing.

Direct Spark-to-Pilot Ignition System

• Energy saving ignition that ignites pilot only when there is a call for heat.

Altitude Certifications

• GNU100-200(A), -250(A), -270(A) models are rated up to 5,200 feet.
• GNU100-200(A) HA, -250(A) HA, -270(A) HA model High Altitude variants are rated up to 10,100 ft above sea level.
• All other models are rated to 2,000 feet.

Anode Rods

• Anode design utilizes multiple magnesium rods to ensure corrosion resistance for a long tank life.

Warranty

• 3-Year limited tank warranty
  

• 3 YEAR TANK
• 1 YEAR PARTS