Water Heater Connections; Connections And Connection Sizes - Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions

5.2 WATER HEATER CONNECTIONS

5.2.1 WATER HEATER CONNECTIONS
Connection
A combustion air inlet
B flue outlet
C water flow (outlet)
D water return (inlet)
E gas connection
F condensate discharge hose
G cable input
5.2.2

CONNECTIONS AND CONNECTION SIZES

Rear view
Function Diameter (inch/mm)
Ø 180 mm
Ø 180 mm
R 2½ "
R 2½ "
R 2 "
Ø 25 mm outer diameter
Ø 22.5 mm
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