HW50 Air Compressor Spares | JBS Equipment / Uncategorized / By admin We stock a full range of spares for the AIE HW45. air compressor. HW50 valve kit , HW50 gasket kit, HW50 Air Filters. HW50 O ring set, HW50 V belts. HW50 pressure switch. Â HW50 Star Delta starter. HW50 electric motor. Â All from stock