Type of Appliance
Rinnai Model Number Gas Rate Input (BTU/hour)
Gas Rate Output (BTU/hour)
AFUE Rating
Minimum Gas Supply Pressure
Maximum Gas Supply Pressure
Electrical Connection
Gas Connection
Combustion System
Ignition System
Fan CFM Output:
Temperature Settings
Temperature Control
Humidifier Tray Weight
Clearance from Combustibles
Noise Level
Warm Air Outlet
EX22 (RHFE-558RWTA)
Direct vent wall furnace suitable for homes, apartments, and ) condominiums; modular/mobile home approved; forced combustion, forced convection
Low - 8,200 | Low - 8,200 |
High - 21,500 | High - 20,700 |
Low - 6,560 | Low - 6,560 |
High - 17,200 | High - 16,560 |
80.6% | 81.0% |
3.5 in (89 mm) W.C. | 8 in (203 mm) W.C. |
10.5 in (267 mm) W.C | 13 in (330 mm) W.C. |
AC 120V, 60 Hz, 47 watts |
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1/2 inch FNPT |
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Stainless steel inshot burners |
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Direct spark |
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Low: 110.5 | High: 162.7 |
Low (LO): minimum combustion |
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60° - 80° F in 2° increments |
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High (HI): maximum combustion |
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•Electronic 7 day, 28 event programmable set back thermostat
•Frost protection function allows a
•Temperature limiting program to comply with Inside Design Temperature limits
Enameled tray with capacity of 3 pints (1.3 liters)
Approximately 51 lbs (23 kg) |
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Side: 2 inches (50 mm) | Top: 10 inches (250 mm) |
Front: 40 inches (1 m) |
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32 - 41 dB(A) |
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Bottom front louvers |
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FEATURES |
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Linear function modulation: | provides precise gas flow |
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Negative coefficient thermistor: | detects temperature change in 1/2 of a degree | ||
Variable speed inducer motor: | monitors and controls combustion fan | ||
Quiet operation: | reduces noise through use of swept blades in convection fan; and | ||
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| through the design of the combustion chamber and heat exchanger | |
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| which silently expand or contract due to temperature changes | |
Self diagnostic electronics: | continually monitors functions; provides auto shutdown codes; indicates | ||
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| when air filter needs cleaning | |
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© 2009 Rinnai Corporation | 7/2009 | ||
