Keeping a pressure test pump sealing tightly over time, this maintenance kit supplies the replacement O-rings and seals to service the Additel 937 pump. Routine seal replacement restores a leak-free system and extends pump life between calibrations. This kit includes the O-ring and seal set for one service.

Keeping a pressure test pump sealing tightly over time, this maintenance kit supplies the replacement O-rings and seals to service the Additel 937 pump. Routine seal replacement restores a leak-free system and extends pump life between calibrations. This kit includes the O-ring and seal set for one service.