Gas Requirements

WARNING

To reduce the risk of fire or explosion, DO NOT CONNECT THE GAS LINE TO THE TUMBLER IF THE GAS SERVICE IS NOT THE SAME AS THAT SPECIFIED ON THE TUMBLER SERIAL PLATE! It will first be necessary to convert the gas burner orifice and gas valve. Appropriate conversion kits are available.

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IMPORTANT: Any product revisions or conversions must be made by the Manufacturer’s Authorized Dealers, Distributors or local service personnel.

IMPORTANT: The tumbler must be isolated from the gas supply piping system by closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressure equal to or less than 1/2 psig

(3.45 kPa, 34.5 mbar).

IMPORTANT: The tumbler and its manually operated appliance gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psi (3.45 kPa, 34.5 mbar).

IMPORTANT: The installation must comply with local codes or, in the absence of local codes:

●with the latest edition of the “National Fuel Gas Code,” ANSI Z223.1/NFPA 54 in the U.S.A.,

●with CSA-B149.1 or Natural Gas and Propane Installation Code in Canada,

●and Australian Gas Association/Australian L.P. Gas Association requirements in Australia.

Obtain specific gas service pipe size from the gas supplier. Refer to Table 9 for general pipe size.

A dirt and water vapor pipe trap must be furnished and installed. Refer to Figure 13.

Install a 1 inch (25.4 mm) pipe gas loop to maintain equal pressure at all gas connections. Refer to

Figure 14.

An in-line pressure regulator may be required on Natural Gas models if the line pressure exceeds

8 water column inches (2.00 kPa) pressure with all gas appliances firing.

WARNING

To reduce the risk of fire or explosion, if the tumbler is to be connected to Liquefied Petroleum (L.P.) gas, a vent to the outdoors must be provided in the room where the tumbler is installed.

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NATURAL GAS service must be supplied at 7.0 ± 1.5 inch water column pressure (1.74 ± 0.37 kPa).

L.P. (Liquefied Petroleum) GAS service must be supplied at 11 ± 0.3 inch water column pressure (2.74 ± 0.07 kPa).

EUROPEAN GASES – The above data for Natural and L.P. Gas does not apply in the EU. Refer to

Installing Gas Drying Tumblers in the European Union.

Pressure checks can be made at the shut-off valve. Refer to Figure 13.

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