Medium-Duty Gas Multi-Flue (120 series)

Model D81-154PE 121
Capacity (Gallons)
Fuel Source
Maximum BTU's
ASME Indicator
Diameter
Medium-Duty Gas Multi-Flue (120 series)
Model D81-154PE 121
Specifications
Tech Specs
Nominal Gallon Capacity
81 Gallons
Rated Storage Volume
77 Gallons
Thermal Efficiency
80%
Maximum BTUs
154,000
Power Source
GAS
Limited Tank Warranty
3 Years
Limited Parts Warranty
1 Years
T&P Relief Valve
Yes
Water Connection Size
1.5"
ASME Certified
No
Amperes
5
Destination Country
US
Fuel Source
PROPANE
Height to T&P
53.75
Installation Type
INDOOR
Application
COMMERCIAL
Shipping Height 
83.5
Shipping Length 
41
Shipping Width 
34
Side Loop
No
Voltage
120
Dimension & Venting
Type
Water Heater
Height
67.5"
Diameter
27.75 in."
Shipping Weight
560 lbs
Height to Gas Valve
4.5"
Vent Material
Steel
Maintenance & Troubleshooting Videos
Maintenance

Commercial Multi-Flue Gas Water Heater: Sequence of Operation

Troubleshooting

Commercial Multi-Flue Gas Water Heater: No Hot Water

Commercial Multi-Flue Gas Water Heater: Top Service Items

Commercial Multi-Flue Gas Water Heater: Tripped ECO No High Limit Switch

Marketing Videos
Commercial Multi-Flue Gas Water Heater: Application and Installation
Commercial Multi-Flue Gas Water Heater: Features and Benefits
Commercial Multi-Flue Gas Water Heater: How it Works