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Rinnai Corporation ES38 Manual 5
Features
• Restarts automatically when ignition or combustion
fails.
• Clean Heating Forced Flue Type
• Easy Operation One-Touch Ignition
• Sensible Temperature Control Feature
• Comfortable Room Temperature Control and
Display
• Warm Air Outlet at Floor Level (keeps your feet
warm)
• Function Lock
• Room Temperature Setting Memory
• Clean the Air Filter - Indicator Lamp
• Energy Saving Economy Setting
• Humidifier Tray
• Air Flow Directional Louvers
• Direct Vent Easily Installed
• Proportional Heating Variable Capacity
• Hush! Quiet Operation
• Modern Design Minimizes Floor Space
Requirements
• Fault Code Message Display
Appliance Specifications
The following flue manifold sizes are
available for different wall thicknesses:
Name Kit No. fits walls
S Vent Kit FOT-150 3 - 4 1/2 in (75 - 115 mm)
A Vent Kit FOT-151 4 1/2 - 9 1/2 in (115 - 240 mm)
B Vent Kit FOT-152 9 1/2 - 15 3/4 in (240 - 400mm)
C Vent Kit FOT-153 15 3/4 - 23 5/8 in (400 - 600 mm)
D Vent Kit FOT-154 23 5/8 - 31 1/2 in (600 - 800 mm)
Natural Gas Propane Gas
Minimum supply gas pressure 5.0 in (127 mm) W.C. 11.0 in (280 mm) W.C.
Maximum supply gas pressure 10.5 in (267 mm) W.C. 13.0 in (330 mm) W.C.
BTU/hour input Low 10,500 High 38,400 Low 10,500 High 36,500
BTU/hour output Low 8,400 High 30,720 Low 8,400 High 29,200
Flue Manifolds