Rinnai RHFE-309FT Installation Manual

Rinnai RHFE-309FT

32 pages

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Energysaver Co-axial Flue System

Installation Manual

For Models:

RHFE-308FTR

RHFE-309FT / FT2

RHFE-556FTR / FDT

RHFE-557FTR

RHFE-559FT / FDT / FT2 / FDT2

RHFE-561FT / FT2

RHFE-1004FT / FDT

RHFE-1005FT / FDT / FT2 / FDT2

USE ONLY RINNAI GENUINE PARTS

Table of Contents

Other manuals for Rinnai RHFE-309FT

Operation And Installation Manual36 pages

Operation & Installation Manual36 pages

Questions and Answers:

J
Joseph JonesAug 16, 2025
What to do if my Rinnai RHFE-309FT burner doesn’t ignite?
- R
  Ralph MorseAug 16, 2025
  If the Rinnai Heater burner doesn't ignite, first ensure the gas is turned 'ON' at the meter. Also, make sure the 'ON' Timer isn't set or cancel it by pressing the override button, and verify the Child Lock is not active by canceling it. Check if the air filter is blocked and clean it weekly. Clear any obstruction from the flue terminal or louvre. If it is a new installation, the air in the gas pipe should be purged by the installer. For a blocked gas filter, gas escape, or disconnected flue manifold, contact Rinnai for a service call.
R
rebeccafrazierAug 19, 2025
What to do if Rinnai RHFE-309FT Heater burner doesn’t ignite?
- L
  Louis Garza MDAug 19, 2025
  If the burner doesn't ignite, several factors could be at play. Ensure the gas is turned 'ON' at the meter and that the 'ON' Timer is not set, or cancel it, or press the override button. Also, the Function/Child Lock should be canceled. The air filter should be cleaned weekly. Check for obstructions in the flue terminal or louvre and clear them. Note that for initial installations, air in the gas pipe may be the cause, and it should be purged by the installer. In some cases, mis-ignition could be the reason, so check customer instructions. If the flue manifold is not connected or there's a gas escape or the gas filter is blocked, a service call to Rinnai is required.
E
Elizabeth DillonAug 22, 2025
Why is my Rinnai Heater not turning on?
- R
  Richard HarperAug 22, 2025
  If your heater isn't powering on and the combustion indicator isn't lit, make sure the power cord is properly plugged in. Then, press the control panel ‘ON‘/ ‘OFF’ button. Also, check for a power cut; if there was one, re-ignite the heater manually after power is restored.
J
Jacob AveryAug 26, 2025
What to do if Rinnai RHFE-309FT Heater does not start even when ‘ON’ button is pushed and thermostat is on HIGH?
- M
  marynielsenAug 26, 2025
  If your Rinnai Heater doesn't start even when the 'ON' button is pushed and the thermostat is on HIGH, check the timer. The timer must be in the “OFF” position for manual operation. The room temperature may also be hotter than the ‘High’ setting.
K
Kaitlyn Morgan PhDAug 28, 2025
What to do if my Rinnai RHFE-309FT is on timer set?
- M
  Mr. John PadillaAug 28, 2025
  If your Rinnai Heater is not working, check if the timer is set. To resolve this, cancel the timer or press the Override button.
E
Erica SchwartzAug 31, 2025
What to do if Rinnai Heater timer operates for 30 seconds then cuts out?
- R
  Rachel SmithAug 31, 2025
  If the timer operates for 30 seconds and then cuts out, it may be because the room temperature is higher than the set temperature. If desired, adjust the temperature upwards.
A
Alexander DanielSep 3, 2025
How to fix Rinnai RHFE-309FT timers if they do not operate at set time?
- V
  Victoria TerrySep 3, 2025
  Timers may either be inactivated or incorrectly programmed. Repeat programming.
M
Mark AnthonySep 6, 2025
What to do if there is a mains power failure with my Rinnai RHFE-309FT?
- R
  Ronald GoldenSep 6, 2025
  If your Rinnai Heater stops working due to a mains power failure, you will need to manually restart it once the power is restored.
M
Mrs. Amanda CherrySep 9, 2025
What to do if there is gas escape from my Rinnai Heater?
- A
  Alicia JohnsonSep 9, 2025
  If you suspect a gas escape from your Rinnai Heater, immediately turn OFF the gas supply at the meter or cylinder and contact Rinnai for service.
D
Darius HollandSep 12, 2025
What to do if my Rinnai Heater flue manifold is disconnected?
- A
  Alexis ColeSep 12, 2025
  If the flue manifold of your Rinnai Heater is disconnected, DO NOT use the heater and contact Rinnai for service.

Rinnai RHFE-309FT Specifications

General

Model	RHFE-309FT
Category	Heater
Fuel Type	Natural Gas or Propane
Control Type	Digital
Gas Consumption (Max)	199, 000 BTU/hr
Efficiency	82%
Ignition Type	Electronic
Venting	Direct Vent
Warranty	12 years heat exchanger, 5 years parts, 1 year labor

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