Rinnai RHFE-551FA Service Manual page 84

Gas Pressure Setting Procedure
Manifold test pressure (Low) - below 2000 ft (610 m)
Manifold test pressure (Low) - 2001-5200 ft (610-1585 m)
Manifold test pressure (Low) - above 5200 ft (1585 m)
Manifold test pressure (High) - for all altitudes
Manifold test pressure (Low) - below 5200 ft (1585 m)
Manifold test pressure (Low) - 5201-7700 ft (1585-2347 m)
Manifold test pressure (Low) - above 7700 ft (2347 m)
Manifold test pressure (High) - below 2000 ft
Manifold test pressure (High) - above 2000 ft
84
RHFE-201RFA
RHFE-263RFA
Rinnai Direct Vent Service Manual
Natural Gas
0.59 in (15 mm) W.C
0.59 in (15 mm) W.C
0.79 in (20 mm) W.C
3.3 in (85 mm) W.C.
Natural Gas
0.63 in (16 mm) W.C
0.79 in (20 mm) W.C
0.79 in (20 mm) W.C
2.3 in (58 mm) W.C.
1.7 in (42 mm) W.C.
RHFE-201RFA
RHFE-263RFA
Propane Gas
0.94 in (24 mm) W.C.
1.14 in (29 mm) W.C.
1.14 in (29 mm) W.C.
6.0 in (152 mm) W.C.
Propane Gas
1.06 in (27 mm) W.C.
1.06 in (27 mm) W.C.
1.30 in (33 mm) W.C.
3.7 in (94 mm) W.C.
2.7 in (68 mm) W.C.