Product Component Identification - Rinnai RH180 Installation Fundamentals

Product Component Identification

• ¾ hot water feed
into building
• 4" B-vent exhaust
connection
• Combustion air inlet
and filter
• Tankless water heater
engine
• Temperature controller
• Circulation pump for
tank/engine
• Tank drain valve
5
• Pressure relief valve
• ¾" cold water supply
into tank
• 40 gallon storage tank
• 120 Volt power cord
(not shown)
• Gas connection
• Hot water supply from
engine to tank
• Cold water supply
from tank to engine