FOT-153 Flue C Zoom

Rinnai Flue (C) 15 3/4"-23 5/8", All DV Furnances

FOT-153

Models: All Rinnai Direct Vent Furnaces.

Status: In Stock

US$291.00

Description

Description

The Rinnai Flue C Extension, part number FOT-153, is an adjustable direct-vent flue component designed for Rinnai direct vent wall furnaces when a longer wall thickness requires a flue length range beyond standard installations.

What’s included: One Rinnai extended-length adjustable flue section for direct vent furnace installations.

Installation limits: Designed for use only with approved Rinnai direct vent wall furnace venting systems; install per Rinnai instructions, required clearances, and local code requirements.

Compatibility: Compatible with all Rinnai direct vent wall furnace models requiring a flue length range of 15 3/4" to 23 5/8".

Features

Features

  • Extended-length adjustable flue designed for thicker wall installations
  • Adjustable length range from 15 3/4" to 23 5/8"
  • Purpose-built for Rinnai direct vent wall furnace venting systems
  • Supports sealed combustion air intake and exhaust routing
  • Integrates with approved Rinnai flue and vent components
  • Suitable for new installations or replacement of existing extended flue sections
  • Helps maintain proper clearances when installed per manufacturer instructions

Specifications

Specifications

Product Type: Direct vent flue extension (extended length)
Brand: Rinnai
Manufacturer Part Number: FOT-153
Application: Rinnai direct vent wall furnace venting through thick walls
Function: Provides an adjustable flue length of 15 3/4" to 23 5/8" for proper vent pass-through
Compatible Models: All Rinnai direct vent wall furnace models requiring extended flue length

 

Use only approved Rinnai venting components and follow installation instructions to maintain sealed direct-vent performance.

 

Support

Support

   
Product FAQ

Q. What is the Rinnai FOT-153 flue extension used for?

A. It is used to complete the vent pass-through for Rinnai direct vent wall furnaces when thicker walls require a longer flue length.

Q. What wall thickness range does the FOT-153 support?

A. It provides an adjustable flue length from 15 3/4" to 23 5/8".

Q. Which Rinnai heaters are compatible with the FOT-153?

A. It is compatible with Rinnai direct vent wall furnace models that require the extended flue length range.

Q. Is the FOT-153 used for new installations or replacements?

A. It can be used for new installations or as a replacement flue section in existing vent assemblies.

Q. Do I need to follow specific venting instructions with this flue?

A. Yes, install only with approved Rinnai venting components and follow the installation manual and code requirements.

Q. How do I choose the correct Rinnai flue length?

A. Measure the wall thickness and select the flue length range that fully covers the measurement while staying within Rinnai’s approved direct-vent configurations.

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