Temperature relief valve Watts STS20

Thermal safety drain valve for non atomized, solid fuel boilers with double safety and capillary with 360° swivel connection.

TECHNICAL FEATURES

• Brass CW617N body.
• Immersion probe with 145 mm sheath and 1/2”M connection.
• Max. drain capacity: 6500 l/h at 8 bar.
• Max. operating pressure: 10 bar.
• DK/KTS: repair kit for valves STS and STS20.S consisting of valve plug and valve plug spring.

User manual