Baxi Combi 130 HE Installation & Servicing Instructions Manual page 39

Pressure Gauge
Bracket
Lug
Pressure Gauge
Fig. 67
Capillary
Return Pipe
Fig. 68
Pressure Relief Valve
Fig. 69
13.0 Changing Components
13.12
1. Drain the boiler
2. Undo the nut retaining the capillary in the
connection at the return pipe (Fig. 68).
3. Depress the two lugs on either side of the
pressure gauge and feed through the bracket.
4. Fit new pressure gauge and reassemble in
reverse order.
13.13
1. The pressure relief valve is positioned on the
hydraulic manifold at the back of the pump.
2. Drain the boiler
3. Disconnect the union between the valve and
the discharge pipe.
4. Slacken the screw retaining the valve.
5. Pull the valve upwards to disengage it.
6. Fit the new pressure relief valve and
reassemble in reverse order.
Expansion Vessel
removed for clarity
Pressure Gauge (Fig. 67)
(see Section 13.1 paragraph 2 & 3).
Pressure Relief Valve (Fig. 69)
(see Section 13.1 paragraph 2 & 3).
39