Jandy JXi 200 Installation And Operation Manual page 17

Jandy JXi Gas-Fired Pool and Spa Heater | Installation & Operation Manual
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It is recommended that all venting be engineered by a licensed mechanical contractor
US
Codes*
CA
I Negative
III Positive
III Positive
*Ensure that you are referencing the latest edition and pay special attention to the chapter addressing "Venting of
Equipment".
For each elbow installed, reduce the run length by 12 feet (3.7m)
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Applies to outdoor installed heater with concerns over extreme weather conditions.
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Table 1. Vent Pipe Sizing Requirements
National Fuel Gas code ANSI
High Minimal Roof
Roof or
High Minimal
Side Wall
High Minimal Outdoor‡
Z223.1 (NFPA
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CAN/CSA-B149.1
Pipe Sizing
Model Pipe Size
200 6 in (15 cm)
260 7 in (18 cm)
400 8 in (20 cm)
4 in (10 cm)
200
or larger
4 in (10 cm)
260
or larger
4 in (10 cm)
400
or larger
4 in (10 cm)
200
or larger
4 in (10 cm)
260
or larger
4 in (10 cm)
400
or larger
54)
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Special Gas Vent Length
(Vertical or horizontal)
N/A
N/A
N/A
65 ft (20 m)
65 ft (20 m)
65 ft (20 m)
25 ft (7.5 m)
25 ft (7.5 m)
25 ft (7.5 m)
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