Venting; Venting With Flue Manifolds Fot-203 Or Fot-204 - Rinnai RHFE-750ETRA Owner's Operation & Installation Manual

Venting

There are 2 categories for venting:
I. Venting with Flue Manifolds FOT-203 or FOT-204 - horizontal venting directly through the wall with no
extensions.
II. Extended Venting - horizontal and vertical terminations with a maximum 33 feet and 3 elbows.
I. Venting with Flue Manifolds FOT-203 and FOT-204
The following flue manifold sizes are available:
Name Kit No.
Vent Kit A FOT-203
Vent Kit B FOT-204
Flue extensions are not authorized to be used with
the FOT-203 and FOT-204 manifolds.
Drilling Flue and Gas Supply Holes
Check for water and gas pipes as well as electric
cables. Use the template supplied to mark the wall
locations for the flue manifold and the gas supply.
Drill the flue hole using a 3 1/2 inch (90 mm) drill.
Flue Manifold Installation
1. Disassemble the Flue Manifold
The flue consists of 3 parts:
• sleeve
• inside connection
• terminal
Disassemble the flue manifold by first pulling
out the inside connection. To remove the
outer terminal pull and release the two
internal ties and then pull out the outer
terminal.
Clearance to combustibles for the sleeve and
flanges is zero inches.
20
fits walls
4 1/3 - 9 1/2 inch
(110 - 240 mm)
9 1/2 - 15 3/4 inch
(240 - 400 mm)
Rinnai Corporation RHFE-750ETRA
FOT-203 /
FOT-204
For weatherboard walls, drill through the center of the
weatherboard from the outside first and then through
the plasterboard.
Inside Connection Terminal
Sleeve