Installation Guide

Residen al Standard Gas Ultra Low Nox Water Heater Use and Care Guide • 35
MAINTENANCE
6
Reconnect the manifold
tubing (3/4” wrench), pilot
tubing (7/16” wrench) to the
gas control valve/thermostat. Also
reconnect the FV sensor wires, wiring
harness, and igniter wire. (See Figure
46 for the correct posi on of each
connec on.) Do not cross-thread or
apply any thread sealant to the fi  ngs.
7
Reconnect the igniter wire.
8
Follow the “Ligh ng Instruc-
 ons” on page 23.
9
Check for leaks with the main
burner on by brushing on an
approved noncorrosive leak
detec on solu on. Bubbles forming
indicate a leak. Correct any leak found.
IMPORTANT: All leaks must be fi xed
immediately.
10
Replace the outer door.
Cleaning the
Combus on Chamber
and Flame-arrestor
See also “Inspect and Clean the Air
Filter” on page 32.
1
Follow the steps in “Remov-
ing the Manifold/Burner
Assembly” on page 34.
2
Use a vacuum cleaner/shop
vac to remove all loose debris
in the combus on chamber
(Figure 52). Use compressed air to
clear any dust or debris that may have
accumulated in the fl ame-arrestor.
3
Follow the steps in “Replacing
the Manifold/Burner Assem-
bly” on page 34.
COMBUSTION CHAMBER
Figure 52 - Combustion chamber
MAINTENANCE