NTI INSTALLATION MANUALS

Part 4 - Water Piping

F

C

A

E

B

D

TRX199C

TRX150 and TRX199

A. CH Supply 1-1/4” B. Supply to Indirect Water Heater 3/4" (Cap if not in use) C. Gas Inlet 3/4" D. N/A E. CH Return 1-1/4” F. Condensate Discharge

A. CH Supply 1-1/4” B. DHW Outlet 3/4"

C. Gas Inlet 3/4" D. DHW Inlet 3/4" E. CH Return 1-1/4” F. Condensate discharge

Figure 10 - Water / Gas Connections

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