Baxi Combi Instant 80e Installation & Servicing Instructions Manual page 39

Diverter Valve
Operating Head
3-pin Plug
Diaphragm
Spring
Spring Clip
Microswitch
Cartridge
Body
Filter Gauze
Fig. 68
Flow
Regulator
Venturi
Diaphragm
Pushrod
CH Pressure
Differential Valve
Cover
Inlet/Return Manifold
12.0
12.22
CH Pressure Differential Valve Diaphragm (Fig. 67)
Spring Clip
1. Isolate the boiler from the central heating flow and
return pipes and drain the boiler primary circuit.
Diverter Valve
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.
5. Fit the new diaphragm and reassemble in reverse
order.
Fig. 67
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
Changing Components
Diverter Valve Assembly (Cont)
Flow Regulator (Figs. 68 & 69)
39