Rinnai ES08 Energysaver Gas Direct Vent Wall Furnace Owner's Operation and Installation Manual

This manual provides operating instructions, installation guidelines, safety information, and maintenance care for the Rinnai ES08 wall furnace.


Rinnai ES08 Energysaver Gas Direct Vent Wall Furnace Owner's Operation and Installation Manual - cover page
Brand
Rinnai
Category
Heater
Document type
User Manual
Language
English
Pages
40
File format
PDF
File size
1.3 MB
Published
28 October, 2026
Updated
28 October, 2026
MD5 checksum
11D1D3C20198C05D991402A575A20C83

About this manual

This document serves as the Owner's Operation and Installation Manual for the Rinnai ES08 (RHFE-201RFA) Energysaver Gas Direct Vent Wall Furnace. It covers essential safety behaviors, operating procedures including turning the unit on and off, adjusting temperature settings, and utilizing the Economy Mode. The guide also details how to add water to the humidifier and adjust air flow direction.

What's inside

  • Safety Information
  • Operating Instructions
  • Care and Maintenance
  • Fault Codes
  • Installation Instructions
  • Consumer Support
  • Specifications
  • Warranty Information

Specifications

Weight39.4 lbs (17.9 kg)
Noise Level27-34 dB
AFUE Rating (Natural Gas)80.6%
AFUE Rating (Propane)83.4%
Humidifier Tray Capacity1.5 pints (700 cc)
Electrical ConnectionAC 120V, 60 Hz, 42 watts
Gas Connection1/2 in female NPT
Maximum Altitude10,200 feet (3109 m)

Frequently asked questions

What should I do if I smell gas?

Do not try to light any appliance, do not touch any electrical switch, and immediately call your gas supplier from a neighbor's phone.

What happens if ignition does not occur after 15 seconds?

The appliance will automatically turn off and fault code 11 will be displayed on the control panel.

How does the Economy Mode work?

It reduces the temperature setting by 2° F after 30 minutes of reaching the set temperature, and by another 2° F after another 30 minutes.

Where can I register my product?

You can register your product at www.rinnairegistration.com or call 1-866-RINNAI1 (746-6241).

Download PDF (1.3 MB)

More Rinnai Manuals


View all Rinnai manuals →