Bosch Worcester Greenstar 8000 Series - Overheat Thermostat Removal; Pressure Sensor Removal; Pressure Relief Valve Removal; Replacing the Gas Valve

Replacement parts
65
Greenstar 8000 Style – 6720883855 (2019/01)
9.2 Overheat thermostat removal
▶ Remove two electrical connectors from thermostat.
▶ Unscrew [1] the sensor [2].
Fig. 98 Removing overheat thermostat
9.3 Pressure sensor removal
▶ Open the cover  Fig. 54.
▶ Remove the condensate trap  Fig. 90.
▶ Pull the spring forward [1].
▶ Remove the pressure sensor[2].
9.4 Pressure relief valve removal
▶ Open the cover  Fig. 54.
▶ Remove the condensate trap  Fig. 90.
▶ Pull the spring up [1].
▶ Press the PRV Pipe down lightly [2].
▶ Remove the Pressure relief valve [3].
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.
Fig. 99 Removing the gas pipe
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