Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual page 72

Replacement parts
2.
Fig. 134 Disassembly of the NTCs and pipes
[1] NTC
▶ Remove the two NTCs [1] from the pipes.
▶ Disassemble the hydraulic connections of the flow and return pipe.
▶ Push down the flow and return pipe from the appliance and take it
out.
3.
1.
Fig. 135 Loosen the screws
72
1.
1
2.
1
0010045939-001
2.
0010045997-001
▶ Loosen three screws (Torx T25) in counter-clockwise direction and
support the bottom of the heat exchanger by hand.
Fig. 136 Disassembly of the heat exchanger
▶ Lower the heat exchanger down and take it out to the front.
Assemble the heat exchanger
1.
3.
Fig. 137 Assembly of the new heat exchanger
▶ Place the new heat exchanger.
▶ Tighten the three screws taking care not to over-tighten.
Greenstar 1000 – 6721835943 (2023/08)
0010045998-001
2.
0010045999-002