Andrews 60L Expansion Vessel 10 Bar 95607446

A 60-litre expansion vessel rated at 10 bar, manufactured by Andrews for its unvented hot water cylinder range. It accommodates the expansion of heated water within 400L and 500L cylinders, limiting pressure rise in the sealed system. This is the vessel specified for Andrews 400L and 500L direct, indirect, Flexistor and Solar models.

• Discharge from the cylinder temperature and pressure relief valve during heating cycles
• System pressure gauge rising close to the relief valve setting when the cylinder is up to temperature
• Water present at the vessel air valve, indicating a failed diaphragm
• Pressure dropping repeatedly after the vessel is recharged with air
• The vessel feels heavy or does not hold an air charge when tested

• Confirm the cylinder capacity and model variant against the fit list above
• Check the system pressure rating matches the 10 bar vessel rating
• Note the part number 95607446 when comparing against the existing vessel label
• Confirm there is sufficient access and clearance for removal and refitting of the vessel