Manual refill pumps

SPN SPN The hand refill pump (shown: SPN4016) consists of a storage vessel with level indicator, filling filter and a hand pump with integrated check valve. It is mounted directly on the thermosiphon vessel or pressure booster. There is a choice of two basic types in the SPN range of products:
SPN2000: Stainless steel refill pump for universal applications
SPN4000: specifically for use with TS1016 systems