Horizontal Terminations, Below Grade Installation

INSTALLATION

HORIZONTAL

TERMINATIONS

1) Set the unit in its desired location. Check

to determine if wall studs or roof rafters

are in the way when the venting system is

attached. If this is the case, you may want

to adjust the location of the unit. Rough in

the gas preferably on the right side of the

unit and the electrical (junction block is on

the left side) on the left.

2) DirectVentpipeandﬁttingsaredesignedwith

specialtwist-lock connections toconnect the

venting system to the appliance ﬂue outlet.A

twist-lock appliance adaptor is an available

option that must be used in conjunction with

the Simpson Dura-Vent Direct Vent GS

system. Install the adaptor after the unit is

set in its desired location otherwise the unit

b)Horizontal runs of vent must be supported every 3 feet (0.9meter). Wall straps are available for this purpose.

5)Mark the wall for a 10" x 10" (254mm x 254mm) square hole. The center of the square hole should line up with the center- line of the horizontal pipe. Cut and frame the 10 inch (254mm) square hole in the exterior wall where the vent will be terminated.

If the wall being penetrated is constructed of non-combustible material, i.e. masonry block or concrete, a 7" (178mm) diameter (7- 1/2" (190mm) for ﬂ ex) hole is acceptable.

*Diagrams 3, 3a & 4: As speciﬁed in CGA B149 Installation Code. Local codes or regulations may require different clearances.

Diagram 3

will not ﬁ t through the 36-5/8" (930mm) high

frame opening.

3) Put a bead of silicone inside the outer

section of the adapter and a bead of Stove

Mate on the inner collar. Slip the adapter

over the existing inner and outer ﬂ ue collar

and fasten to the outer collar only with the

3 supplied screws (drilling pilot holes will

make this easier). Level the ﬁ replace and

fasten it to the framing using nails or screws

through the nailing strips.

4) Assemble the desired combination of pipe

and elbows to the appliance adaptor and

twist-lock for a solid connection.

Note:

a)Twist-lockprocedure:Fourindentations, located on the female ends of pipes and ﬁ ttings, are designed to slide straight onto the male ends of adjacent pipes and ﬁ ttings, by orienting the four pipe indentations so they match and slide in to the four entry slots on the male ends. (Diagram 1) Push the pipe sections completely together, then twist-lock one section clockwise approximately one-quarter turn, until the two sections are fully locked. The female locking lugs will not be visible from the outside, on the Black Pipe or ﬁ ttings. They may be located by examining the inside of the female ends.

Diagram 1

NOTE: For best results and optimum performance with each approved venting system, it is highly recommended to apply “Mill-Pac” sealant (supplied) to every in- ner pipe connection. Failure to do so may result in drafting or performance issues not covered under warranty. Silicone (red RTV) is optional.

Diagram 2

Note:

a)The horizontal run of vent must be level, or have a 1/4 inch rise for every 1 foot of run towards the termination. Never allow the vent to run downward. This could cause high temperatures and may present the possibility of a ﬁ re.

b)The location of the horizontal vent termination on an exterior wall must meet all local and national building codes, and must not be blocked or obstructed. For External Vent Terminal Locations, see diagram in the "Exterior Vent Termination Locations" section.

c)Snorkel Terminations:

For installations requiring a vertical rise on the exterior of the building, 14-inch and 36-inch tall Snorkel Terminations (diagram 3 & 4) are available, as well as the standard Riser Vent, diagram 3a. Follow the same installation procedures as used for standard Horizontal Termination. NEVER install the snorkel upside down.

NOTE: For Snorkel terminations in ABOVE grade installations, follow national or local code requirements.

Note: Riser Vent is only for use in above grade terminations.

Diagram 3a

Below Grade Installation

If the Snorkel Termination must be installed below grade, i.e. basement application, proper drainage must be provided to prevent water from entering the Snorkel Termination. Refer to Diagram 4.

Do not attempt to enclose the Snorkel within the wall, or

any other type of enclosure.

Diagram 4

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Regency P42-LP4, P42-NG4 Horizontal Terminations, Below Grade Installation, Snorkel Terminations

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