Expansion Vessel; Pressure Relief Valve - Baxi 35/80 IE Installation & Servicing Instructions Manual

Fig. 3
4. There are connection points on the mains cold water inlet and central heating return
isolating taps to which the optional filling loop can be assembled.

6.5 Expansion Vessel

1. The appliance expansion vessel is pre-charged to 0.5 bar. The vessel is suitable for correct
operation for system capacities up to 125 litres. For greater system capacities an additional
expansion vessel must be fitted -refer to the current edition of I.S. 813.

6.6 Pressure Relief Valve

(Fig. 4)
Fig. 4