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3.
Piping/Connections
ALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LATEST
EDITION, or in Canada, CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid
Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing), as well as local
codes and ordinances and must be done by a qualified professional. It is important that gas pressure
regulators meet applicable pressure requirements, and that gas meters be rated for the total amount of
ALL the appliance BTUs being supplied.
The dryer is provided with two (2) 1/2” N.P.T. inlet pipe connections (one for each basket/tumbler) at the
rear of the dryer. If a separate feed is provided for each basket (tumbler) from the main supply line
(header), then a 1/2” (12.7 mm) line connection is sufficient. However, if the top and bottom basket
(tumbler) connections are connected together, the supply from the header must be increased to 3/4-inch
(19.05 mm). An optional piping kit is available from the factory as illustrated below and on page 46. It is
recommended that a gas shutoff valve be provided to the gas supply line of each dryer for ease in servicing.
TYPICAL GAS CONNECTIONS
IMPORTANT: When plumbing upper and lower baskets (tumblers) together, as illustrated above,
supply connection must be a minimum of 3/4” (19.05 mm).