Williams 1773512 Installation Instructions And Owner's Manual page 8

12. Remove the vent cap and drill all the necessary holes (diameter ¼ inch for the screw fittings provided with the furnace).
13. Relocate the vent cap and attach it with the screws. (Figure 7)
14. Attach the female end of the three-prong cord to the receptacle located near the bottom of the furnace.
15. Connect the gas supply line. A gas shutoff valve before the furnace must be installed.
16. Reconnect the grounding wire to the casing, attach the casing and tighten the screws.
17. Turn on gas supply and check for gas leaks with soapy water or other suitable means on all gas connections. Correct any
gas leaks before operating the furnace.
Figure 5
Figure 6
Figure 7
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