Noritz EZTR50 - Operational Drainage Methods; Drainage using the Operation Panel; Manual Draining (Operation Panel)

Heat Exchanger Replacement Procedure
1. Drain the unit as shown in following procedure for NRCB199DV/NRCB180DV
(Refer to page 2 for EZ111DV/EZ98DV or NCC199CDV.)
Manual Draining
Page 3
Procedure
Drainage using the Operation Panel