Optima Company Optima 45 - 3 - Manual (Page 13)

Optima 45 - 3
13
VENTING - RESTRICTOR PLACEMENT
NOTE: Vent restrictors are designed to reduce vertical stack action for vent
terminations which will reduce the velocity of incoming combustion air and
not adversely affect the standing pilot or the efficiency of the appliance.
RESTRICTOR PLACEMENT FOR SIDEWALL VENTED APPLICATIONS ONLY
WARNING: These restrictors are only to be installed in the vent system if the vent exceeds 10’ in
vertical height. See below which restrictor to use.
Installing them under any other circumstances may cause hazardous venting
conditions and may result in personal injury, property damage or death.
NOT FOR USE IN VERTICALLY VENTED APPLICATIONS
Restrictor Number #1
Sidewall Venting - Above
Ten Feet (10’)
Restrictor Number #2
Sidewall Venting - Above
Eighteen Feet (18’)
Archgard System
Archgard System
In the Archgard system, the
restrictors are placed on the
exhaust outlet on the appliance.
Simpson Dura-Vent
Simpson Dura-Vent
With Simpson Dura-Vent,
locate the restrictor in the exhaust
section fitting into the formed lip.