Replace The Expansion Vessel - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

Gas-fired condensing combi appliance
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Replacement parts
Assemble the lip seal
Ensure that the new lip seal sits properly around the groove. There
should be no clearance on the outer diameter of the lip seal to the flue
outlet.
1
2
Fig. 167 Assembly of the lip seal
[1]
Lip seal
[2]
Groove
▶ Place the new lip seal [1] into the groove [2] on the flue outlet
▶ Place the flue adaptor and the flue kit on the top panel
( Figure 166, [2]).
▶ Tighten three screws (pozi or hexagon) ( Figure 166, [1]). Do not
over-tighten.

10.23 Replace the expansion vessel

Disassemble the expansion vessel
Fig. 168 Disassembly of the expansion vessel
80
0010046052-001
1.
1
1
2
3
4
2.
3.
0010046063-001
[1]
Expansion vessel bracket
[2]
Screw (pozi)
[3]
Expansion vessel
[4]
Nut
▶ Loosen the screw [2] on the expansion vessel bracket with a
screwdriver (pozi).
▶ Remove the expansion vessel bracket [1].
▶ Loosen the nut [4] with a wrench.
▶ Support the bottom surface with a hand and remove the expansion
vessel [3] to the front.
Assemble the expansion vessel
Fig. 169 Assembly of the new expansion vessel
[1]
Top expansion vessel bracket
[2]
Screw (pozi)
[3]
Expansion vessel
[4]
Nut
[5]
Bottom expansion vessel bracket
▶ Place the new expansion vessel [3] on the bottom expansion vessel
bracket [5].
▶ Put the top expansion vessel bracket [1] on the expansion vessel [3].
▶ Place the screw [2] on the top and tighten it with a screwdriver.
▶ Align the nut [4] to the inlet of the expansion vessel,.
▶ Put the seal between the inlet and the nut.
Greenstar 1000 – 6721835943 (2023/08)
2.
1
5
1
2
3
4
3.
1.
0010046064-001

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Greenstar 1000 gr1000w 30 c ng

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