Exhaust Vent (Stainless Steel Vent) - Takagi 140 Indoor Installation Manual And Owner's Manual

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Table of Contents

WARNING! Do not mix parts or fittings of different material types, and do not mix pipe, fittings, or

joining methods from different manufacturers. Combustion exhaust can contain carbon monoxide and

must be properly vented outside. Breathing abnormal amounts of carbon monoxide can result in seri-

ous injury or death.

4''/6'' (102 mm/152 mm) x 39" (990 mm) Concentric Wall

4'' (102 mm) Twin Pipe to 4''/6'' (102 mm/152 mm) Concentric Adaptor

100 mm to 4" (102mm) Increaser

4" (102 mm) x 12" (305 mm) Vent Length

4" (102 mm) x 24" (610 mm) Vent Length

4'' (102 mm) x 36'' (914 mm) Vent Length

4" (102 mm)x 72" (1,829 mm) Vent Length

4" (102 mm) Horizontal Drain Tee

3''/5'' (76 mm/127 mm) x 13'' (330 mm) Concentric Wall Termination SS

3'' (76 mm) Twin Pipe to 3''/5'' (76 mm/127 mm) Concentric Adaptor

3" (76 mm) x 12" (305 mm) Vent Length

3" (76 mm) x 24" (610 mm) Vent Length

3" (76 mm) x 36'' (914 mm) Vent Length

3" (76 mm) x 72'' (1,829 mm) Vent Length

100 mm to 4" (102 mm) Increaser

This is a Category IV appliance and must be vented accordingly. The vent system must be sealed airtight.

All seams and joints without gaskets must be sealed with high heat resistant silicone sealant or UL listed

aluminum adhesive tape having a minimum temperature rating of 160 °F. For best results, a vent system

should be as short and straight as possible.

• The Indoor model is a Category IV appliance and must be vented accordingly with any 4 inch vent

approved for use with Category III/IV or Special BH type gas vent.

• The manufacturer recommends the NovaVent (Z-Vent) line. However, the following are also UL listed

manufacturers: ProTech Systems Inc. (FasNSeal), Metal-Fab Inc., and Heat-Fab Inc. (Saf-T Vent).

• Follow the vent pipe manufacturer's instructions when installing the vent pipe.

• The maximum length of exhaust vent piping must not exceed 100 ft (30.5 m) (deducting 5 ft (1.5

m) for each elbow used in the venting system). Do not use more than 5 elbows.

• When the horizontal vent run exceeds 5 ft (1.5 m), support the vent run at 3 ft (0.9 m) intervals

with overhead hangers.

Diameter

4 in. (102 mm)

*For each elbow added, deduct 5 ft (1.5 m) from max. vent length.

No. of Elbows Max. Vertical or Horizontal Vent Length No. of Elbows Max. Vertical or Horizontal Vent Length

Excludes vent terminators, termination elbows, or rain caps.

CENTROTHERM PP VENTING (Polypropylene)

Description

4" (102 mm) x 87

Elbow

3" (76 mm) x 87 Elbow

100 mm to 4" (102 mm) 110 mm

3" (76 mm) Horizontal Drain Tee