Thermal drain protection for Defro boilers

Thermal safety valve for Defro boilers

Thermal safety valve for Defro boilers with integrated safety heat exchanger
The thermal safety device protects your boiler from overheating in the event of a power outage or pump failure.

The thermal safety device protects your boiler from overheating in the event of a power outage or pump failure.

Product data:

• Connection: ¾" internal thread
• Connection for immersion sleeve: ½" male thread
• Length of the capillary tube: 1300 mm
• Sensor dimensions: 4.5 x 130 mm
• Type: BVTS 003N3300
• Working materials: Water
• Maximum operating pressure: 10 bar
• Temperature range: 0÷80°C
• Kv value: 2.60, 2,600 m³/h
• Ambient temperature: 0–80°C
• Opening temperature: 95 ± 2 °C
• Max. sensor temperature: 125°C

Materials:

• Housing: Brass
• Immersion sleeve: Copper
• Sensor sleeve: Brass
• Spring: Stainless steel
• Seals and O-rings: EPDM, NBR
• Trigger button: ABS plastic
• Other metal parts: Brass