Rinnai RHFE-551FA Service Manual page 77

Model
RHFE-551FA
RHFE-1001FA
RHFE-1001FA/VA
RHFE-201FA
RHFE-201RFA
RHFE-202FTA
RHFE-263FA
RHFE-263FAII
RHFE-431FA, FAII, FAIII, WTA
RHFE-556FA, FAII, FAIII, FTRA,
FTRAIII, WTA
RHFE-1004FA
RHFE-263RFA
RHFE-265FTA
RHFE-433RFA
RHFE-433RWTA
RHFE-558RFA
RHFE-558RWTA
RHFE-434FTA
RHFE-559FTA
RHFE-1004RFA
RHFE-1004FTA
If the combined vertical and horizontal extension length is longer than these values, the condensate may overflow
the condensation pan. Therefore, extensions exceeding this length should drain and slope 3° downward to the
outside.
Trade Maximum Vent Length
Name
15 feet, 2 bends
Extended venting is not allowed
ES08
EX08C
13 feet (4 m), 2 bends
13 feet (4 m), 2 bends
13 feet (4 m), 2 bends
ES11 13 feet (4 m), 2 bends
EX11C
ES17 13 feet (4 m), 2 bends
EX17
ES22
EX22
EX17C
EX22C
ES38 13 feet (4 m), 2 bends
ES38 13 feet (4 m), 2 bends
Rinnai Direct Vent Service Manual
Maximum Vertical Vent Length*
Maximum vertical length is 8 feet
(2.4 m)*
Below 2000 ft, maximum vertical
length is 8 feet (2.4 m)*
Above 2000 ft, maximum vertical
length is 5 feet (1.5 m)*
Maximum vertical length is 10
feet (3.0 m)*
Maximum vertical length is 8 feet
(2.4 m)*
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