PRESSURE RELIEF VALVE FOR:
ALPHA 1.0180 (FITS 240, 240 ECO, 240E, 240P, 240XE, 240XP, 280E, 500 E)
BIASI BI1001112
CHAFFOTEAUX 60084009
FERROLI 39800130
VAILLANT 19-0727 / 190727
VOKERA 4250