Baxi Combi Instant 80e Installation & Servicing Instructions Manual page 38

Diverter Valve
Operating Head
3-pin Plug
Diaphragm
Spring
Spring Clip
Microswitch
Cartridge
Body
Filter Gauze
Fig. 68
Flow
Regulator
Venturi
38
Diaphragm
Pushrod
CH Pressure
Differential Valve
Cover
Inlet/Return Manifold
12.0 Changing Components
12.22
CH Pressure Differential Valve Diaphragm
Spring Clip (Fig. 67)
1. Isolate the boiler from the central heating flow
Diverter Valve
and return pipes and drain the boiler primary
circuit.
2. Prise off the spring clip retaining the
microswitch. Pull the switch away.
3. Undo the screws securing the differential valve
cover.
4. Carefully draw off the cover and remove the
diaphragm.
Fig. 67
5. Fit the new diaphragm and reassemble in
reverse order.
Diverter Valve Operating Head (Fig. 67)
1. Pull the 3-pin plug off the operating head and
prise off the spring clip retaining the head to the
valve body.
2. Lift the operating head away from the valve
body.
3. Fit the new head and reassemble in reverse
order.
12.23
1. Undo the filter cartridge from the inlet/return
manifold.
2. Unscrew the venturi and remove the flow
regulator.
3. Check the cleanliness of the filter gauze,
rinsing thoroughly in clean water as necessary.
Fit the new flow regulator and reassemble in
reverse order.
Fig. 69
Diverter Valve Assembly (Cont)
Flow Regulator (Figs. 68 & 69)