Pressure Relief Valve Removal; Replacing The Gas Valve - Worcester Greenstar 8000 Life Installation And Maintenance Instructions Manual

Replacement parts
9.4

Pressure relief valve removal

▶ Open the cover ( Fig. 68).
▶ Remove the condensate trap ( Fig. 96).
1. Pull the spring up.
2. Press the PRV Pipe forward lightly.
3. Unscrew the knurled nut.
4. Remove the lower pipe from the Pressure relief valve.
1.
2.
3.
Fig. 106 Removing pressure relief valve
9.5

Replacing the gas valve

▶ Close the gas isolator.
1. Unscrew the bayonet connection.
2. Unscrew the union nut.
3. Remove the gas pipe.
1.
Fig. 107 Removing the gas pipe
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4.
0010023622-002
3.
2.
0010017782-001
1. Unplug the plug.
2. Unscrew the union nut.
Fig. 108 Unplugging the plug and unscrewing the union nut
1. Remove the 2 screws.
2. Remove the air/gas ratio control valve.
Fig. 109 Removing the gas control valve
▶ Install the air/gas ratio control valve in reverse order, and check the
gas/air ratio.
Greenstar 8000 Life – 6720883865 (2021/11)
1.
2.
0010017781-001
2.
1.
0010007251-001