Gasmac GARAGEMAC GM-40S, Installation & Operating Instructions Manual

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16
GAS SUPPLY
PIPING
1. All gas piping and connections shall be made in accordance with all applicable
local codes and the latest versions of CAN/CGA B-149 or ANSI standard Z223.1.
2. Connect the burner to gas supply with flexible gas connector.
3. A drip leg must be installed in the gas line at the heater inlet connection tee
followed by a pipe drop to the heater. Failure to provide a drip leg could result in
condensation and foreign matter passing into the gas valve. Failure to install a
drip leg in the gas line can cause property damage, injury or death and will void
the heater warranty.
C
AUTION
: Ensure that flexible gas connectors are installed correctly to allow for
heater expansion/contraction during operation. Install flexible connectors as follows: