Glow-worm Swift flow 75e Instructions For Use Installation And Servicing page 40

4.19 Thermistor - Heating
Release the water pressure and drain the heating circuit of the
boiler, refer to Sections 1.3 and 1.6.
Disconnect the cables from the thermistor, see diagram 4.19.
Remove the thermistor, complete with its "O" ring.
The polarity of the electrical connections is not important.
4.20 Thermistor - Domestic Hot Water
On minimum clearance installations, remove the pump, see
Section 4.25.
Release the water pressure and drain the domestic circuit of the
boiler, refer to Section 1.3 and 1.6.
Disconnect the cables from the thermistor, see diagram 4.19.
Remove the thermistor complete with its "O" ring.
The polarity of the electrical connections is not important.
4.21 Safety Valve
Release the water pressure and drain the central heating circuit
of the boiler, refer to Section 1.3 and 1.6.
Remove the pressure gauge, refer to Section 4.11.
Disconnect the union nuts to release the safety valve, see
diagram 4.20.
4.22 Water Inlet Filter
Release the water pressure and drain the domestic circuit of the
boiler, refer to Section 1.3, 1.6 and 4.19 or 4.18 diagram.
4.23 Domestic Hot Water Throttle
Release the water pressure and drain the domestic circuit of the
boiler, refer to Section 1.3 and 1.6.
Remove the domestic hot water inlet pipe assembly, refer to
Section 4.18.
Remove the cap nut and carefully remove the throttle adjuster,
by unscrewing and pushing it out, see diagram 4.21.
Clean if necessary, taking care not to damage the throttle body.
Reset the domestic hot water flow rate refer to Section 11.7 in
Installation Instructions.
4.24 Mini Expansion Vessel
Release the water pressure and drain the domestic circuit of the
boiler, refer to Section 1.3 and 1.6.
Remove the domestic hot water inlet pipe complete with the
mini-expansion vessel from the boiler, refer to Section 4.18.
When refitting use the new sealing washer supplied.
221422A
Supplied By www.heating spares.co Tel. 0161 620 6677
4 Replacement of Parts
ELECTRICAL
CONNECTORS
GAS
VALVE
MODULATOR
TORX
SCREW (2)
HONEYWELL
40
CONTROL RESET
BUTTON
SELECTOR
SWITCH
GASKET
Diagram 4.16
SPACER
ELECTRICAL
CONNECTOR (2)
Diagram 4.17