Boiler safety drain valve for use with ultrastore water heaters.

Technical specifications:

Pump pressure max. 2.8 bar
System pressure max. 4.5bar
Closing temperature over approx. 7 °c (ambient temperature)
Opening temperature below approx. 3 °c (ambient temperature)
Operating temperature -30°c +80 °c
Weight 200g
This version uses 10mm flexible hose connections.