Part Number: 8.712-681.0
OEM / Old Part Number(s): 462690, 46294430, 5-3226, 728406, 87126810,
This 8.712-681.0 Suttner ST-261 STD Unloader Valve has a universal design that can be used on a large range of hot water- and cold water-pressure washers. This pressure regulating valve is designed with a stainless steel plunger and seat and viton seals. It can withstand higher temperatures and harsh chemicals commonly used for power washing of vehicles and heavy equipment. Operating pressure can be set from 0 – 3600 PSI, up to 8 GPM and 176 Degrees F temperature.