17
GAS PRESSURE
Natural gas supply pressure should
be 5" to 7
( w.c. LP gas supply
pressure should be 11( to 14( w.c.
This pressure must be maintained
with all other gas-fired appliances in
operation. Never exceed a maximum
gas supply pressure of 14( w.c. with
any fuel.
The minimum supply pressure to the
gas valve for proper furnace input
adjustments is 5( w.c. for natural gas,
however 6( to 7( is recommended. The
minimum supply pressure is 11( w.c.
for LP gas.
NEVER PURGE A GAS LINE INTO
THE COMBUSTION CHAMBER.
NEVER USE MATCHES, FLAME OR
ANY IGNITION SOURCE FOR
CHECKING LEAKAGE. FAILURE TO
FOLLOW THIS WARNING CAN
CAUSE AN EXPLOSION OR FIRE
RESULTING IN PROPERTY
DAMAGE, PERSONAL INJURY OR
DEATH.
To check for gas leakage, use an
approved chloride-free soap and water
solution, an electronic combustible gas
detector (see Figure 14), or other
approved method.
!
WARNING
FIGURE 14
ELECTRONIC COMBUSTIBLE
GAS DETECTOR
FIGURE 15
LP KIT CONTENTS
FIGURE 16
HOSE CONNECTION TO LINE PRESSURE TAP