XP115 water pressure sensor plastic connection 12 mm clip assembled with a plastic adapter two contacts (relay, original packaging, made in Italy) of gas boilers Ariston ALTEAS X, CARES X, CLAS X, GENUS X, HS, article 65115792 (6037510, 6PRESSAC06 ).
XP115 pressure switch - installed to measure and control the minimum water pressure (approximately 0.7-0.8 bar) on turbocharged and chimney models of gas boilers, The relay protects the boiler in the absence or lack of water in the heating system.
If the display of the Ariston boiler shows an error err 108 - which means a low pressure level in the heating circuit, then it is necessary to recharge the system and if this does not help, then the possible cause of the malfunction is a malfunction of the pressure switch.