Rinnai Demand Duo Operation & Installation Manual page 25

DD1 210i 250L & 315L
PLUG UNUSED COLD INLET PORT WITH BRASS PLUG 32MM SUPPLIED WITH TANK.
NOTE
Rinnai
FLUED THRU WALL
32mm PORT
INCLUDED
CONDENSATE
CONNECTION
25
SPECIFICATIONS
FLUED THRU ROOF
OPTION
20mm GAS CONNECTION
HW Demand Duo Systems OIM
FLUED THRU WALL
NEXT TO TANK OPTION