Noritz N-0841MC Series Manual page 11

Procedure
15. Reattach burner, CU HE, and SS HE
(1) 12 screws around perimeter of
burner and heat exchanger
(2) Turn Assembly around exposing
back side of the assembly
(3) Attach 9 screws to hold the SS HE to
the CU HE
(4) Attach the Foam Covered Pipe with
the 2 "C" Clamp. Make sure to
insert pipe in all the way before
attaching "C" Clamp.
(5) Flip Assembly around exposing
Front side of assembly
(6) Attach 2 screws to hold SS HE to
bracket on CU HE
Diagram
Page 11