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Servicing should only be performed by a Qualied Service Agent
INSTALLATION – VENTING CATEGORY AND MATERIALS
ULTRA FORCE VENTING
Category IV • Positive pressure in vent, above atmospheric.
• These models will produce excessive condensate in vent.
• Vent system must not be combined with any other appliances.
• Flue gas temperatures less than 140°F.
• Condensing water heater, thermal efficiency of this product will produce condensate in
the vent system, the heater is equipped with provision for draining condensate from vent
system.
• PH of condensate approximately 3.59; within tolerance for cast iron drains.
Type venting • May be installed Direct Vent; draws all fresh air for combustion from and discharges flue
gases to the outdoor atmosphere through 2 pipes.
• May be installed Conventional Vent; uses room air for combustion and discharges flue
gases to the outdoor atmosphere through 1 pipe.
Vertical and horizontal Vent system can be terminated vertically or horizontally (side wall).
Vent materials • PVC schedule 40.
• CPVC schedule 40.
• ABS schedule 40.
• Cellular Core PVC.
Concentric Venting Concentric vent kits for all models.