Removing The Gas Valve (Sit Sigma) - Ariston microCombi 23 MFFI Installation And Servicing Instructions

6.4.3 Removing the gas valve (SIT SIGMA)

Important! Before removing the gas valve, ensure the gas
supply is turned off.
1. Disconnect all the cables from the solenoid and
modureg;
2. Remove the spark generator (see previous section);
3. Release the nuts "U" (F
4. Remove the screws "V" from the bottom of the gas valve
(F . 6.31 );
IG A
5. Remove the gas valve (F
U
U
. 6.30 );
IG A
. 6.32 ).
IG A
F . 6.30
IG A
V
V
F . 6.31
IG
F . 6.32
IG
6.4.4 Removing the gas valve (HONEYWELL)
Important! Before removing the gas valve, ensure the gas
supply is turned off.
1. Disconnect all the cables from the solenoid and
modureg;
2. Remove the spark generator (see previous section);
3. Release the nuts "U" (F
4. Remove the screws "V" from the bottom of the gas valve
(F . 6.31 );
IG B
5. Remove the gas valve (F
A
A
. 6.30 );
IG B
. 6.32 ).
IG B
U
U
F . 6.30
IG B
V
V
F . 6.31
IG
F . 6.32
IG
B
B
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