Part Number: 8.904-576.0
OEM / Old Part Number(s): 462697, 89045760
This 8.904-576.0 Suttner ST-261/SI-2 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 2.1mm Non-Adjustable chemical injector, rated for up to 3.35 GPM and a Normally Closed Micro Switch rated for use at 5A @ 115 volts or 3A @230 volts.