Suttner ST-261/SI-3 Unloader Valve w/Switch & 2.4 mm Injector, 3625 PSI

by | Jul 27, 2026

This Suttner ST-261/SI-3 Unloader Valve is designed with a stainless steel plunger and seat and viton seals. Included is a 2.4mm Non-Adjustable chemical injector rated for up to 5.0 GPM, and a Normally Closed Micro Switch rated for use at 5A @ 115 volts or 3A @230...

Suttner ST-261/I Unloader Valve w/ 2.4 mm Injector, 3625 PSI

by | Jul 27, 2026

This Suttner ST-261/I Unloader Valve is designed with a forged brass body, stainless steel plunger and seat, and Viton seals. It features a 3/8″ FPT Inlet & Outlet and a 1/4″ FPT Bypass. Genuine Suttner OEM Parts ensure reliability and...

Suttner ST-261/SI-1 Unloader Valve w/Switch & 1.8 mm Injector, 3625 PSI

by | Jul 27, 2026

Suttner ST-261/SI-1 Unloader Valve w/Switch & 1.8 mm Injector, 3625 PSI This 8.712-686.0 Suttner ST-261/SI-1 Unloader Valve is designed with a stainless steel plunger and seat and Viton seals. The operating pressure can be set from 500 – 3625 PSI, with a maximum...

Suttner ST-261/I Unloader Valve w/ 2.4 mm Injector, 3625 PSI

by | Jul 27, 2026

Suttner ST-261/I Unloader Valve w/ 2.4 mm Injector, 3625 PSI This Suttner ST-261/I Unloader Valve is designed with a forged brass body, stainless steel plunger and seat, and Viton seals. Operating pressure can be set from 500 – 3625 PSI, with a maximum temperature of...