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Specifications
Minimum Gas Consumption Btu/h
Maximum Gas Consumption Btu/h
Hot water capacity (Min - Max) *
Temperature Setting (no controller)
Maximum Temp Setting (residential)
Maximum Temp Setting
(MCC-91-2 controller)
Minimum Temperature Setting
Weight
Energy Factor
Noise level
Normal
Standby
Anti-frost
Electrical Data
Protection
Max Current
Fuse
By-Pass Control
Natural Gas
Gas Supply Pressure
Propane
Type of Appliance
Connections
Ignition System
Electric Connections
Water Temperature Control
Water Supply Pressure
Maximum Water Supply Pressure
Remote Control Cable
Energy Star Qualified
Certified for installation in
manufactured (mobile) homes
Complies with South Coast Air Quality
Management District 14 ng/J or 20
ppm NOx emission levels
* Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.
Minimum activation flow is 0.4 GPM (1.5 L/min).
Our products are continually being updated and improved; therefore, specifications are subject to change without prior notice.
The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the
purpose of input adjustment.
Technical Data
RU80i
152,000
0.26 - 8.0 GPM
0.26 - 9.8 GPM
(1.0 - 30 L/min)
(1.0 - 37 L/min)
Selectable at 120° F (49° C) or at 140° F (60° C)
0.96
41 dB
42 W
146 W
With recirculation pump: 8 A (exact value depends on the pump)
Condensing, Tankless, Temperature controlled continuous flow gas hot water system
Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT
Temperature Controller: DC 12 Volts (Digital)
Simulation Feedforward and Feedback
Minimum Water Pressure: 50 PSI (Recommended 60-80 PSI for maximum performance)
Non-Polarized Two Core Cable (Minimum 22 AWG)
KB Series Manual
RU98i
RU80e
15,200
199,000
152,000
0.26- 8.0 GPM
(1.0 - 30 L/min)
120° F (49° C) or 140° F (60° C)
185° F (85° C)
98° F (37° C)
70.5 lb (32 kg)
0.95
0.96
64 W
41 W
2 W
Without recirculation pump: 4 A
10 A
Electronic
4.0 - 10.5 inch W.C.
8.0 - 13.5 inch W.C.
Direct Electronic Ignition
Appliance: AC 120 Volts, 60Hz.
150 PSI
Yes
Yes
Yes
RU98e
199,000
0.26 - 9.8 GPM
(1.0 - 37 L/min)
0.95
52 dB
63 W
168 W
47
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