Design Manual

12 R-TRWH-E-02 Rev D
2"
36"
12"
60"
These clearances are to supplement the clearances specified in ANSI Z223.1 which are currently in the
FFU (indoor) and W (outdoor) manuals. They apply to all water heater models. Local codes supersede
these recommendations.
General Recommendations
Avoid termination locations near a dryer vent. (See TB-46 for more information.)
Avoid termination locations near commercial cooking exhaust.
W (Outdoor) Models
(0.30 m) to an
inside corner
(50 mm) between Rinnai units at same level
(0.91 m) to ventilated or unventilated soffit or eve vent; or to a
deck or porch
(1.52 m) vertically between Rinnai terminals
Additional Clearances