Part Number: 8.712-684.0
OEM / Old Part Number(s): 462693, 87126840
This 8.712-684.0 Suttner ST-261/I Unloader Valve is designed with a stainless steel plunger and seat and viton seals. Operating pressure can be set from 500 – 3650 PSI, up to 176 Degrees F temperature. Included is a 2.4mm Non-Adjustable chemical injector, rated for up to 5.0 GPM.