Supplied By www.heating spares.co Tel. 0161 620 6677
48
3
1
2
6
5
7
4
Eur
o B/S 29
7/0
9
10
8
13
14
11
12
Eur
o B/S 298/0
PARTS REPLACEMENT
Fig. E.5a: Gas valve
Fig. E.5b: Gas valve
Gas valve
●
Refer to the important information
and initial preparation on page 45.
●
Loosen screw and pull electrical
plug off the gas valve.
●
Pull off the two modulating coil
wires.
●
Disconnect air tube from gas valve.
●
Undo nut (
1
) on the gas valve
outlet connection.
●
Undo compression nut on the outlet
of the gas service valve.
●
Pull off the locating spring (
8
)
●
Remove complete gas valve
assembly and inlet pipe from the
boiler.
●
Remove both inlet pipe (
12
) and
outlet (
14
) connection from the gas
valve by removing the eight secu-
ring screws (
11 and 13
) and refit to
new gas valve using new seals
provided.
●
Reassemble in reverse order and
test all joints for soundness.
●
Set ignition and main burner
pressure as detailed in these
instructions.