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INSTALLATION - 1/2" GAS CONNECTION FOR 125,000 btuh OR LESS
2
Supplied 1/2 inch Type I hose is a certified component of the heater and is required on units having inputs
of 125,000 btuh or less. Hoses must be installed in a "U" configuration, as defined in the installation
diagrams, in order to accommodate heater expansion. All measurements are defined when the heater in its
off or cold position.
The "U" bend distance required for gas supply connection to heater
connection is 7 inches minimum to 14 inches maximum. Hose connections
must be in the vertical position.
Gas line supply connection can be installed a maximum of 9 inches above
heater gas connection.
Gas line supply connection can be installed a maximum of 9 inches below
heater gas connection.
Hose must not be installed with preload on hose connector fittings.
1/2" Gas Connection
Gas Supply
7" - 14"
18 cm - 36 cm
Gas Supply
9" (23 cm)
9" (23 cm)
Gas Supply
Gas Supply
22
Hose connections must be installed inline
in the same direction as heater expansion.
Hose connections must be installed inline
in the same direction as heater expansion.
Hose connections must be installed inline
in the same direction as heater expansion.
Hose must not be installed with hose con-
nector offset. During operating conditions
a rotational loading of hose may occur.
Figure 2.11.1
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