27
Table 5
WARNING !
1) All gas piping, including furnace connections, must be pressure
tested prior to operation. NEVER use an open flame. Use a soap
solution or equivalent for testing.
2) Gas pressure to furnace controls must NEVER exceed 14” w.c.
(1/2 PSI)
WARNING !
1. When pressure testing at ½ PSI or less, close the manual shut-
off valve on the appliance before testing.
2. When pressure testing gas supply line at ½ PSI or higher,
close manual gas valve and disconnect heater from supply
line to be tested. Cap or plug the supply line.
