Weil McLain Boiler STAR 34 User Manual

GOLD G V

W a t e r b o ile r — S e rie s 3

Ve n t in g S u p p le m e n t

S t a R-3 4

S p e c ia l g a s ve n t s ys t e m ve n t a n d c o m b u s t io n

a ir s u p p le m e n t

Flex-L International, Inc. StaR-34 AL29-4C^®

Stainless Steel Special Gas Vent System may be

used in new installations of GV-3 through GV-6

boilers.

Hazard definitions

The following terms are used throughout this Venting Supplement to bring attention to the

presence of hazards of various risk levels or to important information concerning the life of

the product.

Indicates presence of hazards that will cause severe personal injury, death

or substantial property damage.

Indicates presence of hazards that can cause severe personal injury, death

or substantial property damage.

Indicates presence of hazards that will or can cause minor personal injury

or property damage.

Indicates special instructions on installation, operation or maintenance

that are important but not related to personal injury or property damage.

To the installer:

ThisVenting Supplement must only be used by a qualified installer/service

technician. Read these instructions completely before beginning the

installation. Failure to follow these instructions in proper order can cause

severe personal injury, death or substantial property damage.

To install a new vent system follow instructions in:

•

This Venting Supplement.

GV Boilers Vent/ Air Intake Termination Assembly Instructions, if

using Weil-McLain Vent/Air Intake Termination Kit. — OR —

•

GV Water Boiler Series 2 & 3 Direct vent Through-roof or Through-

unused-chim ney Venting Supplem ent, if using Weil-McLain

Through-Roof or Through-Unused-Chimney Termination Kit.

•

StaR-34 manufacturer’s instructions supplied with vent material.

For installations above 5,500 feet use only direct vent (ducted combustion

air) when sidewall venting. All of the vertical (through-roof or through-

unused-chimney) methods in thisVenting Supplement are acceptable. Can

result in severe personal injury, death or substantial property damage if

ignored.

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S t a R-3 4 Ve n t in g S u p p le m e n t

Vent termination

anticipated snow line. In addition, vent termination must be

at least 7 feet above public walkway and 3 feet above any forced

air intake within 10 feet. Stay well away from trees, shrubs,

and decorative items. Site conditions may dictate greater

clearances. See Figure 1.

Venting method definitions

Direct vent — Uses outside combustion air with combustion

air connector piping sealed at all joints and seams.Also known as

“sealed combustion”.

Non-Direct vent — Uses inside combustion air with no

9. Vent must terminate at least 4 feet horizontally, and in no

case above or below, unless a 4 foot horizontal distance is

maintained, from electric meters, gas meters,regulators, relief

valves, and other equipment.

10. Locate or guard vent to prevent condensate from damaging

exterior finishes.

11. Do not extend exposed vent pipe outside of building.

Condensate could freeze and block vent pipe.

12. Vent must terminate at least 6 feet away from adjacent walls.

13. Do not terminate vent closer than 5 feet below roof overhang.

combustion air connector piping.

Properly locate vent termination

Follow instructions on this page when

determining vent location to avoid possibility

of severe personal injury,death or substantial

property damage.

1. When using direct vent method — Refer to separate

instructions packed with Weil-McLain direct vent termination

kit and vent pipe manufacturer's instructions for additional

locations.

2. For location of non-direct vent vertical termination, see vent

pipe manufacturer's instructions.

3. Gases will form white plume in winter.Plume could obstruct

window view.

4. Prevailing winds could cause freezing of condensate and

water/ice buildup on building, plants or roof.

5. Locate or guard vent to prevent accidental contact by people

or pets.

6. Do not terminate vent in window well, stairwell, alcove,

courtyard, or other recessed areas.

7. Non-Direct vent installations only — Vent must terminate

more than 1 foot below or to side of all doors or windows.

See Figure 1.

14. Do not terminate vent above any door or window.Condensate

can freeze, causing ice formations.

15. Do not use existing chimney as raceway if another appliance

or fireplace is vented into or through chimney.

16. Do not connect:

•

Any other appliance to vent pipe.

Multiple boilers to a common vent pipe.

17. Do not wrap or insulate vent pipe and fittings.

18. Canadian installations — See CAN/CGA B149.1 or B149.2

Installation Code.

19.

A gas vent extending through an exterior

wall shall not terminate adjacent to the wall

or below building extensions such as eaves,

parapets, balconies or decks. Failure to

comply could result in severe personal

injury, death or substantial property

damage.

8. Vent must terminate more than 1 foot above grade or

Figure 1 Vent termination locations

Forced

air intake

3 feet

If within 10 feet

1 foot

7 feet

1 ft

26808

Snow

26807

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G O LD G V W a t e r b o ile r — S e r ie s 3

Installation

Pre-installation planning

1. Follow national, state, local or provincial codes or

regulations when venting GV boiler.

2. Choose vent method from those shown on page 5.

3. Select vent run components from Table 2. Table 3

states maximum vent run lengths and number of

elbows.Do not exceed data in Table 3. Longer vent

runs will slightly reduce boiler output. See Figure 2.

4. If installing with direct vent method, use same

maximum run length and number of elbows from

step 2. Vent and combustion air connector piping

configurations must match.Use suitable 3" material

for combustion air connector piping, such as:

•

Dryer vent

Galvanized steel

PVC (3" I.D.)

5. Refer to vent termination WARNING, item 19 on

page 3.

Description

Flex-L International, Inc.

Part Number (Note 1)

Table 2

Parts list

GV starter tee

GV termination coupling

45^oelbow

SRAWGVT

SRE4503

90^oelbow

SRE9003

6" pipe

SR06P03

1' pipe

SR12P03

2' pipe

SR24P03

3' pipe

SR36P03

5' pipe

SR60P03

Joiner band

SRJB-14

Weil-McLain Vent/Air Intake Termination Kit

382-200-430 (Note 2)

Weil-McLain Through-Roof or Through-Unused-Chimney Termination Kit 382-200-435 (Note 2)

Notes

1. Flex-L International, Inc. part number. Parts available through Flex-L International, Inc.

2. Weil-McLain part number. Parts available through Weil-McLain distributor.

Table 3

Figure 2 Boiler output

100

Vent and combustion air connector piping

lengths and number of elbows

GV-3

GV-4

GV-5

Maximum vent

length (feet)

Total number of elbows

GV-3 through GV-5 100 80 70 60 50 40 30 20

GV-6 80 60 50 40 30 20 10 --

GV-6

100

Total equivalent length (feet) of vent

(from boiler to vent termination)

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S t a R-3 4 Ve n t in g S u p p le m e n t

For altitudes more than 5,500 feet above sea level — Do not use non-direct vent through

sidewall methods as shown in Figures 4 and 6 below. Can cause severe personal injury, death

or substantial property damage if ignored.

Select

vent

method

Figure 3 GV direct vent through sidewall

Figure 4 GV non-direct vent through sidewall

(using Weil-McLain Vent/Air Intake

Termination Kit)

Termination Kit) (See WARNING above.)

Slope vent pipe downward, toward

boiler, minimum ¼” per foot.

Vent pipe

ope

Slope vent

pipe

ope

Air pipe

downward,

toward boiler,

minimum ¼”

per foot.

StaR-34

26801

26802

vent starter tee

Figure 5 GV direct vent (using Weil-McLain

Through-Roof or Through-Unused-

Chimney Termination Kit)

Figure 6 GV non-direct vent through sidewall

(using termination coupling)

(See WARNING above.)

Slope vent pipe

downward, toward

boiler, minimum

¼” per foot.

StaR-34

vent starter tee

26804

Slope vent pipe

downward, toward

boiler, minimum

¼” per foot.

Figure 7 GV non-direct vent through roof

Slope vent pipe

downward,

toward boiler,

minimum ¼”

per foot.

StaR-34

vent starter tee

StaR-34

vent starter tee

26805

26803

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G O LD G V W a t e r b o ile r — S e r ie s 3

Installation — assembly

Connect vent starter

tee to boiler

Follow the instructions in the GV Series 3 Boiler Manual section IIb to connect the vent

starter tee to the boiler.

Follow vent pipe manufacturer's instructions for sealing the vent.Vent and

combustion air connector piping must be sealed gas-tight to prevent

possibility of flue gas spillage and carbon monoxide emissions, resulting in

severe personal injury or death.

Construct vent and

optional

combustion air run

1. Follow StaR-34 manufacturer's instructions to construct vent run and for methods of

supporting vent runs.

•

Clean joints before sealing. See vent pipe manufacturer's instructions to clean joints.

Use their specified sealant (maximum 250 ⁰F flue temperature). Do not use screws.

Do not mix types or manufacturers of vent materials.

Maintain minimum one-inch clearance from combustible materials to vent pipe; 0"

clearance for noncombustible materials.

•

Install vent pipe with seams on top of vent runs.

If needed, male end of vent pipe may be cut to provide correct length. See vent pipe

manufacturer's instructions for use.

2. If installing with direct vent method, use instructions provided with Weil-McLain

termination kit. See Figures 3, 4 or 5 on page 5.

Ve n t in g t h ro u g h s id e w a ll

Connect vent run to

termination

1. If using Weil-McLain Vent/Air Intake Termination Kit, see instructions provided in that

kit. Applies to direct (Figure 3, page 5) or non-direct vent (Figure 4, page 5) method.

2. If using non-direct method with termination coupling only, see Figures 8 and 9.

•

If passing through noncombustible wall, provide hole diameter large enough to insert

the pipe through. Sleeve and spacers are not required.

3. Maintain minimum one-inch clearance from combustible materials to vent pipe; 0"

clearance for noncombustible materials.

4. Refer to vent termination WARNING, item 19 on page 3.

Ve n t in g t h ro u g h e xis t in g c h im n e y o r ro o f

1. Direct vent method — follow instructions supplied in Weil-McLain Through-Roof or

Through-Unused-Chimney Termination Kit to assemble termination.

2. Non-Direct vent method (only through the roof, not through chimney):

•

Vent pipe must extend through roof flashing, jacket or thimble. See Figure 10.

Vent may pass through floor, inside wall or concealed space when installed according

to vent pipe manufacturer's instructions.

3. Maintain minimum one-inch clearance from combustible materials to vent pipe.

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S t a R-3 4 Ve n t in g S u p p le m e n t

Figure 8 Sidewall termination installation (non-direct venting)

¼" to ¾" between stop

on termination and

metal plate

4" galvanized sleeve

(through 4¹⁄₈" hole for

combustible wall)

Pipe section

Metal plate

Spacers (2)

(to support and

center vent in

sleeve)

Pipe section

Sealant

Termination coupling

26809

Figure 9 Non-direct vent through sidewall (using

Figure 10 Non-Direct vent through roof

Follow StaR-34 manufacturer’s instructions

for proper installation of vent runs, including

slope and support.

termination coupling)

Follow StaR-34 manufacturer’s instructions

for proper installation of vent runs, including

slope and support.

StaR-34

vent starter tee

StaR-34

vent starter tee

26805b

26804b

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G O LD G V W a t e r b o ile r — S e r ie s 3

Installation — assembly continued

Finish the vent

installation

In s t a llin g c o n d e n s a t e t u b in g

Figure 11

1. See Figure 11 to install condensate tubing

(provided by others). Use condensate pump

if floor drain is higher than condensate drain

on boiler.

Installation of condensate tubing

StaR-34

vent starter tee

If required:

•

use a low-profile pump — OR —

set boiler on foundation (see GV Series

3 Boiler Manual) to allow gravity flow

to pump.

2. Size pump in gal/hr. (boiler model):

•

0.78 (GV-3)

1.17 (GV-4)

1.56 (GV-5)

1.95 (GV-6)

5/8" O.D. tubing,

provided by

others

26806

Refer to pump manufacturer's instructions.

Drain to a non-freezing area.

If ve n t p ip e o r c o m b u s t io n a ir p ip e m u s t b e re a s s e m b le d

When vent pipe or combustion air pipe is disconnected for any reason, it must be reassembled

and resealed according to thisVenting Supplement,the direct vent termination kit instructions

and the vent pipe manufacturer's instructions.

Sealant recommended by vent pipe manufacturer must be used as indicated

in their instructions. Vent and combustion air connector piping must be

sealed gas-tight to prevent possibility of flue gas spillage and carbon

monoxide emissions, resulting in severe personal injury or death.

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

http://www.weil-mclain.com

Part Number 550-110-268/0699

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