Simpson Dura-Vent 4" inner diameter
6-5/8" outer diameter

INSTALLATION

FLUEING ARRANGEMENTS - HORIZONTAL TERMINATIONS

SIMPSON DURA-VENT DIRECT VENT GS SYSTEM (LPG & NG)

The diagram below shows examples of horizontal termination arrangements using one, two, or three 90o elbows (two 45o elbows equal one 90o elbow).

Note:

1) A maximum of three 90o elbows are permitted.

2) Minimum distance between elbows is 1 ft. (305mm).

• Maintain clearances to combustibles as listed on page 9.

Horizontal flue must be supported every 3 feet.

Firestops are required at each floor level and whenever passing through a wall.

Must use optional flue adapter (Part# 510-994) when using Simpson Dura-Vent pipe.

A vent guard should be used whenever the termination is lower than the specified minimum or as per local codes.

Straight Out Horizontal Flueing

Horizontal Flueing with One (1) 90o Elbow

 

Option

V

H

 

A)

1' (305mm) Minimum

3' (914mm) Maximum

 

B)

2' (610mm) Minimum

6' (1.86m) Maximum

 

C)

3' (914mm) Minimum

9' (2.7m) Maximum

 

D)

4' (1.22m) Minimum

12' (3.6m) Maximum

 

E)

5' (1.5m) Minimum

15' (4.5m) Maximum

 

F)

6' (1.86m) Minimum

17' (5.1m) Maximum

 

With the above options, maximum total pipe length if 37 feet with

 

minimum of 6 feet total vertical and maximum 17 feet total horizontal.

 

Please note minimum 1 foot between 90o elbows is required.

Diagram 1

Diagram 2

Please note the minimum centerline for basic install shown above.

Regency P121/P121LC/P121RC/P131 Zero Clearance Room Sealed Gas Fireplace

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Regency P121-NG, P131-NG Flueing Arrangements Horizontal Terminations, Simpson DURA-VENT Direct Vent GS System LPG & NG

P121RC-NG, P131-NG, P121LC-NG, P121-NG specifications

The Regency P131-NG, P121LC-NG, P121RC-NG, and P121-NG are a series of advanced communication devices designed to set new standards in the realm of radio technology, especially for industrial and commercial applications. These devices are engineered to provide reliable performance, exceptional clarity, and robust features that cater to the diverse needs of users in various sectors.

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