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Residential Products
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Universal

MODEL GNU100-250
  • 3-Year limited tank warranty
  • 35 to 100-Gallon Capacities
  • 98,000-399,900 BTU/h
  • Natural and LP Gas
  • Top-Front-Rear Inlet/Outlet
  • Water Connections
Select Capacity
35
Gallons
50
Gallons
65
Gallons
72
Gallons
75
Gallons
76
Gallons
82
Gallons
85
Gallons
91
Gallons
100
Gallons

SKUGNU100-250
ModelUniversal
FuelNatural Gas
Height66.125"
Single Shower Minutes45
Number Back To Back Showers4
CO2 Reduction CategoryBetter

Features & Benefits

  • The tighter the commercial retrofit, the more you will appreciate how theUniversal’s compact size and multiple water connections simplify installations. Choose from 80% thermal efficiency models that range from 98,000-399,900 BTU/h and have maximum temperature setting of 180 degrees Fahrenheit.

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.

SystemSentinel 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.

Stainless Steel Burners

  • Precision burners, raised port design, are formed from high chromium stainless steel. Each burner assembly slides out like a drawer for quick inspection and maintenance.

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

  • Up to 5,000 feet for natural gas and2,000 feet for LP; with high altitude certification kit, up to 8,000 feet.

Anode Rods

  • Anode design utilizes multiple magnesium rods to ensure corrosion resistance for a long tank life.
G100-200 G100-250 G75-125 G76-200-1 G85-400 GN75-125 GNU75-125 G75-200-1 NG G100-200 NG G75-125 NG G65-360-1 NG G72-250 NG G60-50N-1 G76-200-1 LP G75-125 LP

  • 3-Year limited tank warranty