Suttner unloader valve ST-285

We developed the brand new unloader valve ST-285 for high flow rates. With a water temperature of up to 90 °C and a maximum pressure of 250 bar, we set new standards in quality and durability.

Benefit from high-quality materials, easy maintenance and smooth switching behavior. We also offer you a complete version with a switch so that you can switch off the motor or the burner during breaks in operation.Further information about our new unloader ST-285 can be found in our two-page data sheet.