Model Compatibility: Fits SRMW2.2G24, SRMW2.2G26, AR42518, R43061, and AR42940 water pressure booster pump units as a direct replacement part. Part Number Match: Replaces components identified by the part numbers SRMW2.2G24, SRMW2.2G26, AR42518, R43061, and AR42940 in water pressure booster pump applications. Functional Purpose: Restores water pressure booster pump when installed in place of a failed or worn unit with matching specifications. Specification Alignment: Designed to meet the same dimensional, electrical, and hydraulic interface requirements as the SRMW2.2G24, SRMW2.2G26, AR42518, R43061, and AR42940 units. Installation Scope: Intended for use only in systems originally equipped with SRMW2.2G24, SRMW2.2G26, AR42518, R43061, or AR42940 water pressure booster pump models., Manufacturer: RTmcgPyuK