Power Vent Systems - Rheem RGPH Installation Instructions Manual

For upflow/horizontal, horizontal only and downflow induced draft gas furnaces

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Table Of Contents

Table of Contents

"B-1" VERTICAL VENTING

Type "B-1" vents must be installed in

accordance with the terms of their

listings and the vent manufacturer's

instructions.

"B-1" vents must be supported and

spaced in accordance with their listings

and the manufacturer's instructions. All

vents must be supported to maintain

their minimum clearances from

combustible material.

VERTICAL VENTING

Categorized

Furnace Vent

Input

Size Required

45K

50K

67K

75K

100K

125K

150K

*NOTE: All furnaces have a 3 vent

connection as shipped from the factory. A 3

to 4 or 3 to 5 vent transition is required on

all but the 45,000 and 50,000 BTUH models

when vertically vented or common vented

with metal vent pipes. THE VENT

TRANSITION CONNECTION MUST BE

MADE AT THE FURNACE VENT EXIT. It

must originate with an adapter if required, at

the furnace flue collar and terminate either

in a listed cap or roof assembly. When

common venting, the vent connector size

may differ from the above diameters

depending on application. See ANSI

Z21.47-1993/CAN/CGA-2.3-M93 or latest

edition tables.

VERTICAL VENT SYSTEMS:

1. A gas vent shall terminate above the

roof surface with a listed cap or

listed roof assembly. Gas vents 12

inches in size or smaller with listed

caps shall be permitted to be

terminated in accordance with

Figure 11, provided they are at least

8 feet from a vertical wall or similar

obstruction. All other gas vents shall

terminate not less than 2 feet above

the highest point where they pass

through the roof and at least 2 feet

higher than any portion of a building

within 10 feet.

2. A type B gas vent shall terminate at

least 5 feet in vertical height above

the highest connected equipment

draft hood or flue collar.

3. Must rise

⁄

per foot away from the

furnace on horizontal runs and be

supported with straps or hangers so

it has no sags or dips. Supports at 4

foot intervals and at all elbows are

recommended.

4. The vent connector must be

mechanically fastened to the outlet

collar of the furnace with at least (2)

FIGURE 11

TYPICAL VENTING WITH "B-1" VENT

sheet metal screws except vent

connectors that are B-1 material.

These shall be assembled in

accordance with the manufacturer's

instructions. See Figure 9.

NOTE: Refer to the National Fuel Gas

Code, ANSI Z223.1 and/or the Natural

Gas Installation Code, CAN/CGA-

B149.1 & .2.

Single appliance venting of a fan

assisted furnace into a tile-lined

masonry chimney is prohibited. The

chimney must be lined with either Type

B vent or with a listed, single wall,

metal lining system. Reference

National Fuel Gas Code, ANSI Z223.1

and/or the Natural Gas Installation

Code, CAN/CGA-B149.1 & .2. See

Figure 11 for typical B-1 vent chase.

WARNING

DO NOT CONNECT THIS FURNACE

TO A CHIMNEY USED TO VENT A

SOLID FUEL APPLIANCE (WOOD OR

COAL). VENTING WITH A SOLID

FUEL APPLIANCE CAN LEAD TO

IMPROPER FUNCTIONING OF THE

UNIT, AND DUE TO SOOTING, THE

POSSIBILITY OF FIRE RESULTING

IN PROPERTY DAMAGE,

PERSONAL INJURY OR DEATH.

SPECIAL VENT SYSTEMS (SVS)

IMPORTANT: IT IS RHEEM'S

POSITION NOW THAT NEW

INSTALLATIONS OF ANY HTPV PIPE

III VENT

USED IN A CATEGORY

APPLICATION, INCLUDING

SELKIRK'S SELVENT™ II HTPV

PRODUCT, SHOULD CEASE

IMMEDIATELY.