Rinnai R98EASME User Manual
Page 2

R98eASME (V3237W-ASME)
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-829-1666 • www.rinnai.us
Water Temperature Control
Controller
 
 
 
Controller Cable 
Safety Devices 
 
 
 
Clearances from combustibles 
 
 
Clearances from non-combustibles
* 24 inches required for serviceability 
 
Min. / Max. Gas Supply Pressure 
 
Manifold Gas Pressure (inches W.C.) 
 
NOx 
Warranty
Simulation feed forward and feedback
MC-91-1US (included) 
Deluxe controller: MC-100V-1US (optional) 
Bathroom controller: BC-100V-1US (optional) 
Wireless controller (with transceiver): MC-502RC-1US-MS (optional) 
Non-polarized two-core cable, minimum 22 gauge
• Flame failure - Flame Rod
• Boiling protection
• Combustion fan rpm check 
• Over current - glass fuse (3 amp) 
• Top of heater - 12 inches 
• Front (Panel) - 24 inches 
• Front (Exhaust) - 24 inches 
• Top of heater - 2 inches 
• Front (Panel) - 0 inches * 
• Front (Exhaust) - 24 inches 
Natural Gas: min 5” W.C.
max 10.5” W.C.
Propane Gas: min 8” W.C.
max 13.5” W.C.
Natural Gas: high fire 3.0” W.C. low fire 0.67” W.C. 
Propane Gas: high fire 3.7” W.C. low fire 0.83” W.C. 
Meets California and Texas NOx Emission Rules
Residential only; heat exchanger 10 years*; all other parts 5 years*; 
labor 1 year; (* 3 years if used as a circulating water heater within a 
circulation loop, where the water heater is in series with a circulation 
system and all circulating water flows through the water heater, and 
where on-demand recirculation is not incorporated ) 
DIMENSIONS
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior 
notice. Local, state, provincial and federal codes must be adhered to prior to installation. 
WEIGHT: 55 LBS
• Remaining flame (OHS)
• Thermal fuse 
• Automatic frost protection 
 
• Back of heater - 0 inches 
• Bottom of heater - 12 inches 
• Sides of heater - 6 inches 
• Back of heater - 0 inches 
• Bottom of heater - 2 inches 
• Sides of heater - 1/8 inch 
