Figure 3.8: Gas Plumbing Detail
3.3 Gas Connection
3.3.1 Gas Supply Line
• 1” IPS pipe is recommended.
• 1” approved tubing is acceptable for lengths under 25 ft (6.1 m) if local codes and gas supplier
permit.
• Must include 1/8” NPT minimum plugged tapping accessible for test gauge connection,
immediately upstream of the gas connection to the dryer (see figure 3.8 on page 15).
• Must include a shutoff valve:
An individual manual shutoff valve must be installed within 6 feet (1.8m) of the equip-
ment in accordance with the National Fuel Gas Code, ANSI Z223.1. The location should
be easy to reach for opening and closing.
3.3.2 Gas Supply Connection Requirements
There are many methods by which the DE series dryer can be connected to the gas supply. Fol-
lowing are some guidelines for methods of connection.
Option 1:
Flexible stainless steel gas connector:
If local codes permit, use a new flexible stainless steel connector (Design certified by the American
Gas Association or CSA International) to connect between the dryer and the gas supply line. Use
15
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General