OWNER’S MANUAL MODEL: 8745 TUCSON Vent-Free HEATER
-20-
Natural Gas
LP
Input rating (Btu/hr)
20,000
20,000
Minimum input rating (Btu/hr)
13,500
16,000
Orifice size DMS
44
55
Man. pressure -HI setting (in. w.c./kPa)
3.5
10.0
Man. Pressure-Lo setting (in.w.c./kPa)
1.6
6.4
Inlet pressure-LO (in. W.c./kPa)
5.0
11.0