
4
Eternal Hybrid Water Heater Technical Specifications
Model Name
GU100
Thermal Efficiency (
*
) / Energy Factor
96% NG / 97% LP / 0.94 Energy Factor
Installation
Indoor / Outdoor / Wall Hung / Floor Standing
Flue System
Forced Exhaust Power or Direct Vent
Vent Run
3" PVC / 2" PVC
Up to 100ft, 6 Elbows Max, 5ft Deduction Per Elbow / Up to 35ft,
3 Elbows Max, 5ft Deduction Per Elbow
(2"PVC Cannot be used at elevations above 4,000ft)
Condensate Discharge Low Fire / Med Fire / High Fire
0.5GPH / 1.1GPH / 1.75GPH
Condensate pH Level
4 pH
Gas Type
Pre-set for NG / LP Conversion Kit Included
Unit Connections
Gas / Water Fitting
1/2" Female NPT / 3/4" Female NPT
Electricity
Dedicated 120VAC, 60Hz w/3 Pronged Power Cord
Gas Input Rate
Min / Max
16,000 BTU/Hr / 100,000 BTU/Hr
Gas Supply Pressure NG / LP
3.5" WC to 10.5" WC / 8" WC to 14" WC
Manifold Pressure
(minimum)
Honeywell
NG
(-) 0.01" W.C.
PG
(-) 0.01" W.C.
Ignition System
Direct electronic Ignition and Automatic Flame Sensing
Burner System
Single Orifice Fuel Injection/ Pre-mixing Metal fiber Infrared Burner
Gas Valve System
Single Stage Negative Pressure Full Modulation Air Ratio valve
Internal Piping Material
PPS + Copper
Reserve Tank
Under 2 Gallons
Electrical Consumption
Standby 8W, Max 45W
Maximum Noise Level
Under 35dB (a)
Remote Controller
Up to 3 kits
Multi Unit Capable
Up to 2 in manifold
GPM Capacity Range
0.1 to 10.0 GPM
Temperature Sensing
Tank, Cold Inlet, Hot Outlet, Air Thermistors
Temperature Control
Simulation Feed Forward and Feed Back, Computer Controlled Mixing Valve
Flow Sensing
Dual Flow Sensors w/Built-in GPM Monitor
Temperature Settings Range
100°F to 140°F in 5°F Steps
Unit Dimensions (WxHxD)
16.9" x 29.1" x 13.8"
Unit Weight
74.5Ibs
Safety Devices
T&P Valve, Flame Rod, Thermal Fuse(306°F), Remaining Flame
Detection, Fan RPM Check, Freeze Protection(-40°F), Vent Blockage
Detection, Thermostat Switches(149°F / 194°F), Gas Valve Current
Leak Detection, Ignition Prevention, Dipswitch Temperature Lock, GFCI
w/2 x 5A Fuses.
*
GU100 is for single or dual unit applications with no multi control unit.
*
Maximum manifold pressure is indicated on the rating label on right side of the unit.
*
Independent DOE tested.