Replace The Gas Valve - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

Gas-fired condensing combi appliance
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1.
1
Fig. 122 Assembly of the Fan
[1]
Fan seal
▶ Place the fan seal [1] into the fan.
▶ Push the venturi towards the fan.
▶ Rotate the venturi counter-clockwise and adjust the snap fit to the
correct position.
▶ Reassemble the components (fan, venturi, air intake, gas air pipe)
(Chapter 10.7, page 65).
Check if the earth connection for the igniter is put back after service.

10.11 Replace the gas valve

Disassemble the gas valve
Fig. 123 Disassembly of gas hose, connector and nut
▶ Shut off the gas inlet valve.
▶ Remove the connector from the gas valve.
▶ Push up the gas hose to remove it.
▶ Rotate the gas valve nut counter-clockwise.
Greenstar 1000 – 6721835943 (2023/08)
2.
3.
0010045915-001
2.
3.
1.
0010045916-001
1
2.
Fig. 124 Disassembly of the gas valve
[1]
Inlet connection nut
[2]
Screws
▶ Rotate the inlet connection nut [1] counter-clockwise to remove the
gas connection.
▶ Loosen two screws [2] from the gas valve.
▶ Remove the gas valve.
Assemble the gas valve
Fig. 125 Assembly of the gas valve
[1]
Restrictor
[2]
O-ring
[3]
Gas valve nut
[4]
Gas valve
[5]
Seal
▶ Put the new gas valve [4] and the new seal [5] on the bottom plate.
▶ Assembly the new o-ring [2] into the groove on the restrictor [1] and
place both parts into the outlet of the gas valve.
Replacement parts
3.
1.
0010045917-001
0010045921-001
2
1
2
3
4
5
69

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Greenstar 1000 gr1000w 30 c ng

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