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

Replacement parts
Assemble the new air intake pipe
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Fig. 142 Assemble the new air intake pipe
▶ Push the new air intake pipe to the right.
▶ Rotate the air intake pipe counter-clockwise.
▶ Match the pins with the holes on the venturi.

10.16 Replace the venturi

Disassemble the venturi
During disassembly or cleaning of the condensate hose:
▶ Ensure that the condensate water does not spill or drop over any
components.
▶ Clean the dropped condensate water if necessary.
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Fig. 143 Disassembly of the condensate hose and the gas hose
[1] Gas hose
[2] Condensate hose
▶ Pull off the gas hose [1] from the venturi.
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▶ Pull off the condensate hose [2] from the condensate trap.
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Fig. 144 Disassembly of the venturi
[1] Snap fit
[2] Venturi
▶ Lift the snap fit [1] on the venturi with the finger.
▶ Rotate the venturi [2] counter-clockwise.
▶ Pull venturi to the left side and take it out.
Assemble the venturi
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Fig. 145 Assembly of the new venturi
[1] Snap fit
[2] Venturi
[3] Lip seal
▶ Pre-assemble the air intake pipe into the new venturi.
▶ Assemble a new lip seal [3] on the fan.
▶ Push the new venturi [2] towards its housing on the fan.
▶ Rotate the new venturi clockwise to engage the snap fit [1].
▶ Assemble the condensate drain hose to the condensate trap.
▶ Check if there are any defects or cracks. Replace the condensate
drain hose by a new one if necessary.
▶ Assemble the gas hose to the venturi ( Chapter 10.9, page 68).
Greenstar 1000 – 6721835943 (2023/08)
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