American Water Heater 6510238 Replacement Parts, Removing the Manifold Assembly

Figure 19

U N I T R O L

WARNING

READ ALL INSTRUCTIONS

BEFORE LIGHTING

W A R

Replacement Parts

Replacement parts may be ordered through your plumber or the local distributor. Parts will be shipped at prevailing prices and billed accordingly. When ordering replacement parts, always have the following information ready:

1.Model, serial and product number.

2.Type of gas.

3.Item number.

4.Parts Description.

See page 27 for a list of available repair parts.

Removing the Manifold Assembly

1.Turn off the gas to the water heater at the manual shutoff valve (Figure 6).

2.Turn the gas control knob on the combination gas control valve/thermostat clockwise to the “OFF”

position (Figure 17).

3.Remove the outer door.

4.Remove the (6) screws

securing the manifold door assembly to the skirt (Figure 20).

Removing the Burner from the Manifold Assembly

1.Turn the burner counterclockwise to remove it from the manifold assembly.

2.Check the burner to see if it is dirty or clogged. The burner may be cleaned with soap and hot water (Figure 21A).

Figure 21A: Natural Gas Burner Assembly
Two Piece Wire	Burner
Connector
	Manifold
	Door
Thermocouple	Gasket
Igniter Wire	Thermocouple
	Retainer Clip
Manifold Tube
Pilot Tube Viewport	Pilot Assembly
	Pilot Bracket	To Remove
		Burner
Manifold Door Assembly

5.Disconnect the thermocouple, pilot tube, igniter wire, and manifold tube (L.P. models have left-hand threads) at the thermostat. (Figure 19).

T

U

T I

M

O

A

O

H

R

C

N

Y

O

W

S

T

R

B

H A H

R

S E

E

E

T

OTTE

R

R

E

EA

J

U

V

T

I

R

I NCR

S

SK

O

IN

C

A

H

LD

TA

A

F SCA

W

OI

N

Igniter

Wire

Thermocouple Pilot tube

L.P. Gas Burner

1.	Separate the pilot bracket from the L.P. burner by
	removing screw.
2.	Loosen set screw located on top of the L.P. burner
	near the manifold door. Carefully, pull the burner
	away from the manifold door assembly.
3.	Check the burner to see if it is dirty or clogged. The

6. Grasp the manifold tube	Manifold
and push down slightly	Tube
to free the manifold, pilot tube, and thermocouple.

7.Carefully remove the manifold assembly from the burner compartment. Be sure not to damage internal parts.

Figure 20: Burner Assembly Removal

		Gas Valve /
		Thermostat
		Piezo Igniter Button
		Pilot Tube
Manifold	I O	Drain Valve
	WARNING
Tube		Viewport
		Manifold
Thermocouple		Door
		Assembly
Screw		Two Piece Wire
(6 Places)		Connector

burner may be cleaned with soap and hot water

(Figure 21B).

Figure 21B: L.P. Gas Burner Assembly
	Thermocouple/
	Igniter Connector
Manifold Door
Assembly	Gasket	Burner
Igniter Wire
Thermocouple
Manifold
Tube
Pilot Tube
	Pilot Assembly
	(Piezo Igniter, Thermocouple, Pilot)

22