Vent Installation (Indoor Installation For U.s. Or Outdoor Shelter For Canada); Vertical Venting - Negative Pressure - Pentair MASTERTEMP 125 Installation And User Manual

Section 3. Installation Instructions
20
VENT INSTALLATION –
(Category I)
VERTICAL VENTING
(See Figures 12, 13 and
Metal Flue Collar
4 x 6" 77707-0076
4 x 8" 77707-0077
NOTICE:
Read "VERTICAL VENTING – NEGATIVE PRESSURE" before using this table.
– Permitted Minimum and Maximum Vent Heights By Size and Heater Model
Table 5.
Type "B" Double-Wall Vent with Type "B"
Double-Wall Connector in Feet (Meters)
Vent Size
Height min./max.
6 in. 6 ft. (1.8)/100 ft. (30.5)
7 in. 6 ft. (1.8)/100 ft. (30.5)
8 in. 6 ft. (1.8)/100 ft. (30.5)
9 and 10 in. 6 ft. (1.8)/50 ft. (15.3)
MASTERTEMP ® 125 Pool and Spa Heater Installation and User's Guide
INDOOR INSTALLATION (U.S.) OR OUTDOOR SHELTER (CANADA)
- NEGATIVE PRESSURE
14)
Part No.
Model 125
NOTE *: Vent must be at least eight (8) feet away from
nearest vertical surface. Vents extending five (5) feet or
Consult your local code officials for detailed information.
Type "B" Double-Wall Vent with
Single-Wall Connector in Feet (Meters)
Model 125
Vent Size
Height min./max.
6 in. 6 ft. (1.8)/15 ft. (4.6)
7 in. 6 ft. (1.8)/8 ft. (2.4)
8 in. Not Rec.
9 in. Not Rec.
10 in. Not Rec.
more above the roof must be braced or guyed.
Clean the Interior Surface
V V Vent Bod y y
Clean and RTV
This Surface
Combustion
Chamber
Flue Collar
Figure 12.
4" x 8" Metal
Flue Collar
Vent Pipe
Rev. B 8/14